Question

Set up a proportion and solve.

Find the cost of 3 scarves if 2 scarves cost $22.80.

Answer 1

Proportion : 1 scarf = $11.40

Cost of 3 scarves = $34.20

Explanation:

GIVEN: 2 SCARVES = 22.80

LET X = # OF SCARVES

2X=22.80

X=$11.40

$11.40(3) = cost of 3 scarves

$34.20 = cost of 3 scarves

Answer 2

Proportion: 22.80/2=x/3

x= 34.20

Explanation:

First find what the value of one scarf is:

22.80/2=11.40

Then multiple by 3 to get $34.20