Write the ratio in simplest form.

32 to 4

Determine whether the ratios are equivalent.

5 dogs to 6 cats,

20 dogs to 24 cats

Determine whether the ratios form a proportion.

27 trucks to 12 jeeps,

44 trucks to 16 jeeps

Determine whether the ratios form a proportion.

8 feet in 15 seconds,

16 feet in 40 seconds

Solve each proportion using Cross Products.

 $\frac{3}{x}=\frac{6}{8}$  

 Solve each proportion using Cross Products.

 $\frac{2}{8}=\frac{3}{a}$ 

You go to the grocery store to buy dog food. The store has three sizes available:

an 8-lb bag for $9.88

a 20-lb bag for $23.44

a 40-lb bag for $49.00

Which size bag has the lowest cost per pound rounded to the nearest cent?

You go to the grocery store to buy dog food. The store has three sizes available:

an 8-lb bag for $9.88

a 20-lb bag for $23.44

a 40-lb bag for $49.00

Which size bag has the highest cost per pound rounded to the nearest cent?