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____ [38]
3 years ago
8

Drew has 50 red, green, and blue marbles. He has six more red marbles than blue marbles and four fewer green marbles tahn blue m

arbles. Write and solve an equation to determie how many marbles Drew has.
Mathematics
1 answer:
avanturin [10]3 years ago
5 0
R + g + b = 50
r = b + 6
g = b - 4

(b + 6) + (b - 4) + b = 50
3b + 2 = 50
3b = 50 - 2
3b = 48
b = 48/3
b = 16 <=== 16 blue marbles

r = b + 6
r = 16 + 6
r = 22 <=== 22 red marbles

g = b - 4
g = 16 - 4
g = 12 <=== 12 green marbles
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