Answer:
Step 1, 4=3(d+1)-5 should be 4=3d+3-5
Step-by-step explanation:
A = 4200 ft^2
We know the formula for area is
A = l*w
We need to have the same units
convert yd to ft
1 yd = 3ft
Multiply each by 70
70 yds = 210 ft
A = 210 *20
We know that :
therefore , the correct option is B. 3/4
