Question

Mary has 20 pints of green paint. She uses 2/5 of it to paint a landscape and 3/10 of it while painting a clover. She decides that for her next painting. She will need 14 pints of green paint. How much more paint will she buy?

Answer 1

Answer:

The answer to your question is 8 pints

Step-by-step explanation:

Data

Initial amount of paint = 20 pints

She uses, 2/5 and 3/10

Later she will use 14 pints, paint needed?

Process

1.- Calculate the paint left after have used 2/5

          20 x 2/5 = 40/5 = 8    She used 8 pints

           20 - 8 = 12 pints left

2.- Calculate the paint left after have used 3/10

           20 x 3/10 = 60/10 = 6  She used 6 pints

3.- Calculate the paint left

          20 - 8 - 6

          20 - 14

          6 pints

4.- Calculate the paint needed

          14 - 6 = 8 pints

She needs to buy 8 pints of paint