1 and 2/3 yards of chain cost $9.00. How much does it cost for 1 yard?

Answer 1

1 and 2/3 yards costs $9

5/3 yards costs $9 <--- changes 1 and 2/3 to improper

5 * 1/3 yards costs $9 <---- 5/3 = 5 * 1/3

1/3 yard costs $9/5 = $1.80 <--- divides the ratio by 5

1 yard costs $1.80 * 3 = $5.40

You can also do:

$9 divided by (1 and 2/3) =

$9 divided by 5/3 = <--- changes 1 and 2/3 to improper

$9/1 divided by 5/3 = <--- changes 9 to improper

$9/1 * 3/5 = <--- remember when dividing fractions, KFC: keep, change , flip

$27/5 = <--- multiplies the fractions

$5 and 2/5= <--- changes answer to mixed fraction

$5.40 <--- 2/5 = 0.4

Answer 2

9 ÷ 1 2/3

9 ÷ 5/3

9(3/5)

27/5

5 2/5

$5.40