Students in a classroom have eaten 60% of jellybeans from a jar. There are now only 100 jellybeans left! How many jellybeans were in the jar to begin with?

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Sep 16 | Yes from New York, NY

Answer 1

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show me some working out thanks

Sep 16 | Yes from New York, NY

Answer 2

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Answer 3

Let x = the original amount of jellybeans.

If 60% of jellybeans were eaten, then you need to subtract 60% of x from the original amount. The difference between them equals 100.

x - 60%x = 100

x - 0.6x = 100

0.4x = 100

x = 100/0.4 = 250

Original # of jellybeans = 250

Sep 16 | Ishwar S.