# Systems of Equations and Inequalities?

## Shidia Asked: Systems of Equations and Inequalities?

3.x = 4y + 4

2x + 8y = 8(1 point)

one

two

infinite

none

4.y = 6x + 2

3y 18x = 12(1 point)

one

two

infinite

none

5.x 2y = 6

3x 6y = 18(1 point)

one

two

infinite

none

6.y 5x = 6

3y 15x = 12(1 point)

one

two

infinite

none

10.Tom has a collection of 30 CDs and Nita has a collection of 18 CDs. Tom is adding 1 CD a month to his collection while Nita is adding 5 CDs a month to her collection. After how many months will Tom and Nita have the same number of CDs?(1 point)

1 month

3 months

2 months

33 months

11.Kendra owns a restaurant. She charges $3.00 for two eggs and one piece of toast and $1.80 for one egg and one piece of toast. How much does Kendra charge for one egg and one piece of toast?(1 point)

$1.20 per egg; $0.60 for toast

$0.60 per egg; $1.20 for toast

$0.60 per egg; $0.60 for toast

$1.20 per egg; $1.20 for toast

16.Mike and Kim invest $12,000 in equipment to print yearbooks for schools. Each yearbook costs $5.00 to print and sells for $15.00. How many yearbooks must they sell before their business breaks even?(1 point)

800 yearbooks

1,200 yearbooks

2,400 yearbooks

1,800 yearbooks

17.At the local ballpark, the team charges $5.00 for each ticket and expects to make $1,300 in concessions. The team must pay its players $1,800 and pay all other workers $1,500. Each fan gets a free bat that costs the team $3.00 per bat. How many tickets must be sold to break even?(1 point)

2,300 tickets

400 tickets

250 tickets

1,000 tickets

18.A baker has a bag of flour that is 11% whole wheat and a bag of flour that is 63% whole wheat. How many cups of each type does the baker need to make 12 cups of a flour mixture that is 50% whole wheat?(1 point)

3 cups of the 11% flour and 9 cups of the 63% flour

9 cups of the 11% flour and 3 cups of the 63% flour

3 cups of the 11% flour and 3 cups of the 63% flour

9 cups of the 11% flour and 9 cups of the 63% flour

19.A science teacher has a supply of 5% hydrochloric acid and a supply of 65% hydrochloric acid (HCl). How much of each solution should the teacher mix together to get 42 mL of 45% HCl for an experiment?(1 point)

The teacher will need 14 mL of the 5% solution and 28 mL of the 65% solution.

The teacher will need 28 mL of the 5% solution and 14 mL of the 65% solution.

The teacher will need 14 mL of the 5% solution and 14 mL of the 65% solution.

The teacher will need 28 mL of the 5% solution and 28 mL of the 65% solution.

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- At the local ballpark the team charges $5 for each ticket and expects to make $1 400 in concessions The team must pay its players $2 000 and pay all other workers $1 600 Each fan gets a free bat that costs the team $3 per bat How many tickets must be sold
- Mike and Kim invest $12 000 in equipment to print yearbooks for schools Each yearbook costs $5 to print and sells for $15 How many yearbooks must they sell before their business breaks even?
- kendra owns a restaurant she charges $3 00 for two eggs and one piece of toast and $1 80 for one egg and one piece of toast which of the following systems of equations could be used to determine how much kendra charges per item?
- 16 mike and kim invest $12 000 in equipment to print yearbooks for schools each yearbook costs $5 00 to print and sells for $15 00 how many yearbooks must they sell before their business breaks even? (1 point)
- 18 A science teacher has a supply of 5% hydrochloric acid and a supply of 65% hydrochloric acid (HCl) How much of each solution should the teacher mix together to get 42 mL of 45% HCl for an experiment? (1 point)
- Kendra owns a restaurant She charges $3 00 for two eggs and one piece of toast and $1 80 for one egg and one piece of toast Which of the following systems of equations could be used to determine how much Kendra charges per item? (1 point)
- mike and kim invest $12 000 in equipment to print yearbooks for schools each yearbook costs $5 00 to print and sells for $15 00 how many yearbooks must they sell before their business breaks even?
- mike and kim invest $12 000
- 16 mike and kim invest $12 000 in equipment to print yearbooks for schools each yearbook costs $5 00 to print and sells for $15 00 how many yearbooks must they sell before their business breaks even? (1 point)800 yearbooks
- tom has a collection of 30 CDs and nita has a collection of 18 CDs to adding 1 CD a month to his collection while nita is adding 5 CDs a month to her collection find the number of months after which they will have the same number of CDs a 1 month