64 is 4 times the difference between Sarah's age, a, and 44. Assume Sarah is older than 44
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Well, due to that 10% of the muffins get wasted and do not sell,
plus work that goes into it, the price of the ice-cream is not 0.60,
but 55% more, or markup above that cost value
so... how much would each muffin sell for? well, each muffin will be,
0.60 + 55% of 0.60
how much is 55% of 0.60?
get the 55%, and add it to the 0.60, that's how much each will sell for
plus work that goes into it, the price of the ice-cream is not 0.60,
but 55% more, or markup above that cost value
so... how much would each muffin sell for? well, each muffin will be,
0.60 + 55% of 0.60
how much is 55% of 0.60?
get the 55%, and add it to the 0.60, that's how much each will sell for