Question

HELP!! EASY problem!
During a long drought, the water level in a local lake decreased at a rate of 3 in. per month. The water level before the drought was 300 in.

Question:
How many months will it take for the water level to decrease to 20 ft?

Answer 1

20 months.

Answer 2

thanks!, please explain how you get that?

Answer 3

Well 20 ft is 240 inches so 300-240=60. Now what's 60/3? 20.

Answer 4

Thanks for the medal :)

Answer 5

thanks for your help :)

Answer 6

Hey, im sorry but could you explain why 60/3 ?
I thought i got it a moment ago but now i lost it:(

Answer 7

Because 20 ft is equal to 240 inches correct?

Answer 8

yes

Answer 9

So now you need to figure out how much you have to take away from 300 to get 240, which is 60 right?

Answer 10

ok

Answer 11

So now to figure out how many months it takes to get 60 inches, which would be 60/3. Giving you 20 months! :)

Answer 12

ahh ok ! i get it now !
cuz there are 3in/month so 60/3 = 20 months :D

Answer 13

extra medal for you ! :D

Answer 14

Yes! There you go! :D

Answer 15

Thanks ahaha