Page 186 - Math Course 1 (Book 1)

Proportions and Ratios

Skill Practice!

Determine whether the set of numbers in each table are proportional.
1. 3.

Number of Socks 1 2 3 4 Days 1 3 5 6

Cost $2 $4 $6 $6 Pages Read 100 300 550 600

2. 4.

Number of Guest 2 4 6 8 Cups of f our 2 4 8 10

Cookies 4 8 12 16 Leaves of Bread 1 2 4 5

For Exercises 5–6, complete each table. Determine whether the pattern forms a proportion
5. BABY-SITTING Aliya earns $7 per hour 6. PIZZA Antonio’s Pizzaria charges $10 for a large
baby-sitting her neighbors pizza, plus $1.50 for each additional topping.

Numbers of
Hours 1 1
Toppings
Earnings $7 Cost $10

TRAVELING On a cross-country road trip, a family drives 240 miles each day. Write and solve an equation to
determine how far the family has traveled after 4 days.

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