Problema Solution
A bookstor is having a sale in which you can get 4 notebooks for $7.00 dollers and 10 folders for $2.50 .How much will it cost rico to buy 5 notebooks and 6 folders
Answer provided by our tutors
4 notebooks cost $7 thus 1 notebook will cost 7/4 dollars (assuming that all the notebooks have equal price).
10 folders cost $2.50 thus 1 folder will cost 2.50/10 dollars (assuming that all the folders have equal price).
5 notebooks and 6 folders will cost:
5*(7/4) + 6*(2.50/10) = $10.25
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Rico will need to pay $10.25 for 5 notebooks and 6 folders.