SOLUTION: Mary is making a party mix to bring to school. She believes that the perfect ratio of pretzels to peanuts is 3 to 5.If Mary knows that she is going to use 65 peanuts in the mix, ho

Question 1189307: Mary is making a party mix to bring to school. She believes that the perfect ratio of pretzels to peanuts is 3 to 5.If Mary knows that she is going to use 65 peanuts in the mix, how many pretzels will she need?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Mary is making a party mix to bring to school.
She believes that the perfect ratio of pretzels to peanuts is 3 to 5.
If Mary knows that she is going to use 65 peanuts in the mix, how many pretzels will she need?
:
let p = no. of pretzels required
:
Write a simple ratio equation
=
cross multiply
5p = 65 * 3
5p = 195
p = 195/5
p = 39 pretzels required
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