Answer:
9/20 = 0.45
Step-by-step explanation:

Answer:
this is your answer look it once
Answer:
T
Step-by-step explanation:
We have changed 3 1/2= 7/2 and 22 1/4= 89/4
and the speed of Caroline is = distance: time= 89/4:7/2= 89/4 x 2/7= 89/14= 6.36 miles per minute
notice you wrongly wrote per mile
Surface area = 50 x 30 = 150
Per cm of height 150 cubic cm needed
7cm height needed
150 x 7 = 1050 cubic cm needed