Ishwar S. answered • 09/16/18

Tutor

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University Professor - General and Organic Chemistry

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