Question

Lisa was keeping a record of the sales she had made for the contest. The first and second
weeks she sold 18 boxes of cookies each week. The third and fourth weeks she sold 12
each week, and the fifth week she sold 15 boxes. How many boxes of cookies did Lisa
sell altogether?
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Answer 1

Answer:

Lisa sold 75 boxes of cookies all together

Explanation:

The 1st week she sold 18 boxes of cookies

The 2nd week she sold 18 of cookies

The 3rd week she sold 12 boxes of cookies

The 4th week she sold 12 boxes of cookies

The 5th week she sold 15 boxes of cookies

So, number of cookies sold altogether is 18+18+12+12+15= 75