Question

Keiko uses 6.9 pints of blue paint and white paint to paint her bedroom walls. 2/5 of this amount is blue paint, and the rest is white paint. How many pints of white paint did she use to paint her bedroom walls?

Answer 1

Answer:
`4.14\ \text{pints}`

Explanation:

Given

Keiko uses 6.9 Pints of blue and white paint

If the fraction of blue paint is
`(2)/(5)`, then thr fraction of white paint is

`1-(2)/(5)=(3)/(5)`

Amount of white paint is

`\Rightarrow (3)/(5)* 6.9=4.14\ \text{pints}`