Q. According to Greg, perfect cherry pies have a ratio of 240 cherries to 3 pies.How many cherries does Greg need to make 15 perfect cherry pies?cherries
Identify Ratio and Question: Identify the given ratio and what is being asked.Greg says the ratio for perfect cherry pies is 240 cherries to 3 pies. We need to find out how many cherries are needed for 15 pies.
Set up Proportion: Set up a proportion to find out how many cherries are needed for 15 pies.If 240 cherries are to 3 pies, then X cherries will be to 15 pies. We can write this as:3 pies240 cherries=15 piesX cherries
Solve Proportion for X: Solve the proportion for X (the number of cherries needed for 15 pies).Cross-multiply to solve for X:240 cherries ∗15 pies =3 pies ∗X cherries3600=3X
Divide to Find X: Divide both sides of the equation by 3 to find X.33600=X1200=X
Verify Solution: Verify that the units make sense and that the math has been done correctly.We were looking for the number of cherries, and our final answer is in cherries. The math steps were followed correctly without any errors.
More problems from Divide numbers ending in zeros: word problems