Here is the work.......<span>Vof Pyramid=1/3*b^2*h
V1=V2
1/3*(20)^2*21=1/3*b*84
your answer is 10.....I know it has to be one of your option......rate this answer please!</span>
Answer: 40
Step-by-step explanation:
Answer:
D.six-fourths of an hour
Step-by-step explanation:
(1/2) / (3/4) = 1/x....1/2 bedroom to 3/4 hr = 1 bedroom to x hrs
cross multiply
1/2x = 3/4
x = 3/4 * 2
x = 6/4 of an hr