Answer:
17/5 sq yd per hour
Step-by-step explanation:
7/8 sq yd per 1/20 hr = x sq yd per 1 hr
We can set up equivalent proportions and cross-multiply.
[tex]\frac{ \frac{7}{8} sq yd}{\frac{1}{20}hr}= \frac{x sq yd}{1 hr}[/tex]
7/8 × 1 = 1/20 × x
7/8 = 1/20 x
Multiply both sides by 20.
x = 7/8 × 20
= 140/8
= 35/2
x = 17.5 sq yd