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31 votes
31 votes
A box contains orange balls and green balls. The number of green balls is seven more than four times the number of orange balls. If there are 102 balls altogether, then how many green balls and how many orange balls are there in the box?

User Djmoch
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1 Answer

11 votes
11 votes

green balls = 83

orange balls = 19

Explanation:

green balls = g

orange balls = r

g = 7 + 4r

g + r = 102

7 + 4r + r = 102

5r = 95

r = 19

g + 19 = 102

g = 83

User Nerdboy
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2.7k points