An inlet pipe on a swimming pool can be used to fill the pool in 6 hours. The drain pipe can be used to empty the pool in 8 hours. If the pool is 12 filled and then the inlet pipe and drain pipe are opened, how long from that time will it take to fill the pool?

b) 36

step-by-step explanation:

18 times 2 is 36

answer for #1 is c

answer for #2 is d

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300pi

step-by-step explanation:

24

step-by-step explanation:

the graph shows 30% of students walk. 80 students were questioned, so the number that said they walk is

30% × 80 = 0.30 × 80 = 24