Problema Solution
The averege number of red blue and green beanbags in a store is 136 there are 30 more red beanbags than blue beanbags. There are 15 fewer green beanbags than blue beanbags.how many green beanbags are in the store? Use a barmodel to help you
Answer provided by our tutors
let
r = the number or red beanbags
b = the number or blue beanbags
g = the number or green beanbags
the average number of red blue and green beanbags in a store is 136
(r + b + g)/3 = 136
there are 30 more red beanbags than blue beanbags
r = 30 + b
there are 15 fewer green beanbags than blue beanbags
g = b - 15
by solving the system of equations
(r + b + g)/3 = 136
r = 30 + b
g = b - 15
we find
r = 161
b = 131
g = 116
click here to see the step by step solution of the system of equations
there are 116 green beanbags in the store.