1/3 cup of blue paint with 1/2 of red paint. How many cups of blue and red paint does Jessica need to make 20 cups of her favorite purple paint?

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

5× 1/2 = ? a) more than 5 because you are multiplying by a whole number b) 5/10 because you multiply the numerator and denominator by 5 c) less than 5 because you are multiplying by a number that is more than 1 d) less than 5 because you are multiplying by a number that is less than 1

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum