Question

River City Middle School has a weekly contest. The prize is a season pass

to the city amusement park. This week's contest is to guess the number
of lemon jellybeans in a jar of 800 jellybeans. Gerald counted in 3
different sections on the outside of the jar. Here are his results:
5 lemon jelly beans out of 30 jellybeans.
4 lemon jelly beans out of 22 jellybeans.
2 lemon jelly beans out of 12 jellybeans.

based on his sampling, how many lemon jellybeans should he guess are in the jar? Show the mathematics you used to support your answer !

PLEASE HELP

Answer 1

150 lemon jellybeans

Explanation:

Add the ratios up to get 12 lemon jelly beans out of 64 jellybeans.

`(12)/(64) =(x)/(800)`

Cross multiply:

9600 = 64x

---> x = 150 lemon jellybeans