28-04-2021
Mathematics

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Whitney has 13 blue envelopes. She has 11 fewer yellow envelopes than blue envelopes. She has 3 times as many green envelopes as yellow envelopes. How many envelopes does Whitney have in all?

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briannguyen5433 briannguyen5433

28-04-2021

Number of yellow envelopes is 13-11 =2
Blue is 13
Green is 2*3 =6 so add the totals
2+6+13 which is 21

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