Ashade of orange paint is made with 5 parts red paint and 15 parts yellow paint. a) what percent of the paint is red? b) what is the simplified ratio of yellow to red paint?

(a) 25%

(b)  3:1

Step-by-step explanation:

A shade of orange paint is made with 5 parts red paint and 15 parts yellow paint.

(a)

Total parts used in making orange paint=(5+15)+20 parts.

     Number of parts of red paint used=5

  Percent of paint is red=

                                      =

                                       =25%

Hence 25% of red paint was used to make orange paint.

(b)

The simplified ratio of yellow to red paint is:

Hence, the ratio is: 3:1.

if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads

its the second choice.

step-by-step explanation:

the elements in the range will be 7 less than the elements in the domain.