Predict Costs & Analyze Relationships in Real-World Math

A store sells pencils for $0.50 each. If you buy x pencils, how much will you spend? Write the equation and predict the cost for 10 pencils.

• $5.00

• $2.00

• $10.00

• $7.50

Maria has 3 times as many marbles as John. If John has y marbles, write an equation to represent the number of marbles Maria has. How many marbles does Maria have if John has 5 marbles?

• 10

• 20

• 25

• 15

A car travels at a speed of 60 miles per hour. Write an equation to predict how far the car will travel in t hours. How far will it travel in 3 hours?

• 120 miles

• 240 miles

• 90 miles

• 180 miles

A recipe calls for 2 cups of flour for every 3 cups of sugar. Write an equation to represent the relationship between flour (f) and sugar (s). How much flour is needed if you use 9 cups of sugar?

• 6 cups of flour

• 12 cups of flour

• 4 cups of flour

• 3 cups of flour

A gardener plants 4 rows of flowers with 5 flowers in each row. Write an equation to find the total number of flowers (f). How many flowers are there in total?

• 10

• 20

• 25

• 15

A movie theater has 120 seats. If x seats are filled, write an equation to find the number of empty seats (e). How many empty seats are there if 75 seats are filled?

• 30

• 45

• 60

• 90

A bike rental shop charges a flat fee of $15 plus $5 for each hour rented. Write an equation to represent the total cost (C) for h hours. What will be the total cost for 4 hours?

• $25

• $45

• $50

• $35

A school has 200 students, and 25% of them are in the band. Write an equation to find the number of students in the band (b). How many students are in the band?

• 25

• 50

• 75

• 100

A train travels 80 miles in 1 hour. Write an equation to predict the distance (d) the train will travel in t hours. How far will it travel in 2.5 hours?

• 200 miles

• 150 miles

• 250 miles

• 100 miles

A box contains 12 chocolates. If you eat c chocolates, write an equation to find the remaining chocolates (r). How many chocolates are left if you eat 5?

• 6

• 7

• 10

• 8