Question

Solve each problem using proportions. Show work.

If 15 pencils cost 65 cents, about how much will
50 pencils cost?

Answer 1

you put 15 over 65 is equal to 50 over x, then you multiply diagonally so 15x = 3250 then you divide both sides by 15 to get 216.67 which means 50 pencils equals 2.17 dollars