Answer:
see explanation
Step-by-step explanation:
Sum the parts of the ratio, that is 3 + 2 + 5 = 10
Divide the total jellybeans by 10 to find the value of one part of the ratio
80 ÷ 10 = 8 ← value of 1 part of the ratio, thus
red jellybeans = 3 × 8 = 24
yellow jellybeans = 2 × 8 = 16
blue jellybeans = 5 × 8 = 40