7th Grade Math: Analyzing Equations & Inequalities

A store sells pencils for $0.50 each. If you buy x pencils, write an equation to represent the total cost. If you have $5, how many pencils can you buy?

• 20

• 15

• 5

• 10

Maria has twice as many marbles as John. If John has x marbles, write an equation to express the number of marbles Maria has. If John has 10 marbles, how many does Maria have?

• 20

• 25

• 30

• 15

A car rental company charges a flat fee of $20 plus $0.15 per mile driven. Write an inequality to represent the total cost if you want to spend no more than $50. How many miles can you drive?

• 200 miles

• 300 miles

• 250 miles

• 150 miles

Tom is 3 years older than his sister. If his sister is x years old, write an equation to express Tom's age. If his sister is 12, how old is Tom?

• 18

• 12

• 10

• 15

A recipe requires at least 2 cups of flour. If you have y cups of flour, write an inequality to represent how much more flour you need. If you have 1.5 cups, how much more do you need?

• 1 cup

• 3 cups

• 0.5 cups

• 2.5 cups

A concert hall has a seating capacity of 500. If x tickets are sold, write an inequality to represent how many tickets can still be sold. If 350 tickets are sold, how many are left?

• 100

• 200

• 150

• 250

A gardener has 30 plants and wants to plant them in rows of x plants each. Write an equation to find out how many rows he can create. If he plants 5 plants in each row, how many rows will there be?

• 6

• 8

• 7

• 5

A book costs $15. If you want to buy x books, write an equation to represent the total cost. If you have $60, how many books can you buy?

• 2

• 5

• 4

• 3

A swimming pool can hold a maximum of 20,000 liters of water. If it currently has y liters, write an inequality to represent how much more water can be added. If it has 15,000 liters, how much more can be added?

• 7000 liters

• 3000 liters

• 5000 liters

• 10000 liters