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19. A block of ice loses one-third of its weight every hour. After 2 hours, the block weighs
40 pounds. How much did the block of ice weigh to begin with? I got 90 pounds can you check this and show your work

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Answer:

You got the answer right.

Step-by-step explanation:

90 pounds divided by 3 = 30 pounds

90 pounds - 30 pounds = 60 pounds

60 pounds divided by 3 = 20 pounds

60 pounds - 20 pounds = 40 pounds

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