When can you use proportional reasoning to solve a problem?
2 answers:
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Total cost = cost of paper clips + cost of index cards
Total cost = cost of one box of paper clips * number of boxes + cost of one box of index cards * number of boxes
So your answers are:
p = $1.85
i = $3.95
Total cost = cost of one box of paper clips * number of boxes + cost of one box of index cards * number of boxes
So your answers are:
p = $1.85
i = $3.95