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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?

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?
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1 vote
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?

asked
User Ania Warzecha
by
8.3k points

2 Answers

6 votes

the answer is 90 pounds

answered
User Thelem
by
7.7k points
2 votes
The block originally weighed 90 pounds
answered
User Dequan
by
8.4k points
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