Answer:
22
Step-by-step explanation:
22*2= 44
44-12=32
Answer:
B. 7.5 hours
Step-by-step explanation:
Assuming that both hoses fill at the same rate, then by simple proportion,
To raise the pool by 1 foot of water:
1 hose ---> takes 3 hours
2 hoses ----> fills twice as fast ---> will take half the time ---> 3/2 = 1.5 hrs
Hence with 2 hoses, it will take 1.5 hours to fill 1 foot of water.
to fill 5 feet of water, we will need 1.5 hours x 5 feet = 7.5 hours
Answer:
Step-by-step explanation:
hmmm its A or C hmm i think C i hope i help but at least i tried and stay safe.
multiply both sides by 3
Step-by-step explanation:
3(x/3)+3(5)<12×3
x+15<36
x<36 _15
x<21
