Question

HELP ME!

Answer 1

Jean and Mark are going to fill a pool with 2 different sized hoses. Jean can fill the pool in 8 hours, while Mark can complete it in 12 hours. Their supervisor thinks that the job will take 10 hours to complete if they work together. Explain each step in solving this equation, and determine if the supervisor is correct or not.

Answer 2

I just need to know how to combine equations

Answer 3

So Jean fills 1/8 of the pool. Do you get that?

Answer 4

1/8 because its how many hours ?

Answer 5

i mean 1/12

Answer 6

do you add the 2 fractions?

Answer 7

rate of hose 1 =A
y=A*8=8A
aret of hose 2= B
y=B*12=12B
y=(A+B)t solve of t : time

Answer 8

so you add (8+12)?

Answer 9

im confused...

Answer 10

8A=(A+B)t
12B=(A+B)t

Answer 11

so i solve for t?

Answer 12

yes