SOLUTION: at the start of the week a bookshop has science and art books in the ratio 2:5. If there are 1000 art books, how many science book are there
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Question 1194091: at the start of the week a bookshop has science and art books in the ratio 2:5. If there are 1000 art books, how many science book are there Found 2 solutions by josgarithmetic, greenestamps:Answer by josgarithmetic(39617) (Show Source):
The solution from the other tutor is fine -- but very formal....
A more informal solution seems more appropriate to me.
Given the ratio science:art = 2:5, we know the number of science books is 2/5 the number of art books. So the number of science books if there are 1000 art books is just
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