Answers

1. Answer: 4 gallons

   Step-by-step explanation: A ratio of 2:1 can mean

   2 gallons of blue : 1 gallon of green which equals

   4 gallons of blue : 2 gallons of green since this is just the first ratio multiplied by 2.

   4 gallons + 2 gallons = 6 gallons, so Angelina will need 4 gallons of blue paint.

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2. Answer:

   4 gallons

   Step-by-step explanation:

   6 gallons of paint means she needs 2 gallons of blue paint per 1 gallon of green paint.

   To make the proper mixture, you need 3 gallons with 2 blue and 1 green. This means you do 6/3=2. You can make 2 total mixtures.

   Multiply 2 blue by the 2 mixtures we need to make. You get 4 gallons of blue paint.

   Multiply 1 green by the 2 mixtures we need to make. You get 2 gallons of green paint.

   Check your work:

   4+2=6

   4/2=2:1

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