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Jonas is making a trail mix recipe that calls for 3 1/2 cups of nuts and 1 1/2 cups of raisins. Jonas mixes the nuts and raisins together. He will then divide the mixture into plastic bags containing 1/4 cup of trail mix in each bag. How many plastic bags does Jonas need?

Respuesta :

Americ
STEP 1:
Find total number of cups of all ingredients

= 3 1/2 cups + 1 1/2 cups
= 5 cups


STEP 2:
Divide 5 cups by the portion size per bag

= 5 ÷ 1/4

to divide fractions, multiply by the reciprocal/inverse of 1/4

= 5 * 4/1

= 20 bags


ANSWER: 20 bags

Hope this helps! :)
First you do: 3 1/2 cups + 1 1/2 cup equals 5 cups, and then 5 ÷ 1/2..multiply by the reciprocal of 1/2 =5 * 4/1
20 plastic bags are needed