A bag had 100 mangoes. 2/5 are rotten and 1/3 are green. How many mangoes are ripe?

Rewrite the fractions to have a common denominator

2/5 = 6/15

1/3 = 5/15

Add together: 6/15 + 5/15 = 11/15

Subtract from 1:

1-11/15 = 4/15

4/15 of them are ripe

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step-by-step explanation:

answer: the answer is 100 x 12,500, which is 1,250,000.

step-by-step explanation: emily solved for a part when she should have solved for the whole.  

875,000 should be the numerator of the equivalent ratio.  

70 x 12,500 is 875,000.