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4a. Austin mixes up a paint color to paint his car. He uses 35 ounces of bluepaint, and 50 ounces of white paint. Write this as a simplified ratio of bluepaint to white paint.Your answer4b. He needs to mix more paint to do a few touch ups. If he uses 20 ounces of white paint, how much blue paint should he add?

Respuesta :

(a) The ratio of blue plaint to white paint is

[tex]\frac{35}{50}[/tex]

Then, we simplify

[tex]\frac{7}{10}[/tex]

Therefore, the simplified ratio is 7/10.

(b) To find the amount of blue paint he should add, we use the simplified ratio.

[tex]\frac{7}{10}=\frac{x}{20}[/tex]

Then, we solve for x

[tex]\begin{gathered} x=\frac{7\cdot20}{10} \\ x=14 \end{gathered}[/tex]

Therefore, he has to add 14 ounces of blue paint.

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