Respuesta :

holleycolson14

Answer:

She made 80 total cookies because 25% of 64 is 16. 64 plus 16 is 80. You are adding the original amount(60) to 25%(16).
a) 64×25% = 64 ×0.25 = 64 + 16 = 80

b) 80 ×90% = 80×0.9 = 80 - 72 = 8 left

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