The average of four numbers is 45. three of the numbers are 24, 36, and 52, what is the fourth number?

Step-by-step explanation:

The average of the 4 numbers is 45.

Hence, the total of the four numbers is = 180.

The given three numbers are 24, 36, 52.

The total of the given three numbers is (24 + 36 + 52) = 112.

The fourth number will be (180 - 112) = 68.

the ratio of grapes to blueberries she should use is 12: 3

step-by-step explanation:

if mandie is making 15 cups of fruit salad, the ratio of grapes to blueberries she should use is 12: 3.