Question

58. A block of ice loses one third of its weight every hour. After 1 hour, the block weighs 60 pounds. How much did the block weigh to begin with?
A. 90 lbs

B. 120 lbs

C. 100 lbs

Answer 1

a is the answer

Answer 2

figured it out :D

Answer 3

yes how did you figure it out? or did you guess?

Answer 4

nm

Answer 5

no :D

Answer 6

1/3 of 90 = 30 - 90 = 60

Answer 7

that is working back wards, but yes. What if you didn't have the choices to choose from?

Answer 8

well then i dont know how i would have got it

Answer 9

Well since only one hour has passed we know that 2/3 of the ice is left right?

Answer 10

So we could ask a question that we can convert into an equation:
Two-thirds of what is 60?
OR
2/3 * X = 60
Make sense?

Answer 11

yes :D

Answer 12

Now we just solve for X
X = 60/(2/3)

Answer 13

90

Answer 14

yes