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Dimas [21]
3 years ago
13

a bag contains green marbles and red marbles, 83 in total. the number of green marbles is 7 less than 4 times the number of red

marbles. How many green marbles are there?​
Social Studies
1 answer:
Gre4nikov [31]3 years ago
6 0

Answer:

there are 65 green marbles in this bag.

Explanation:

What we know-

g + r = 83  (total of green & red marbles)

g = 4r - 7 (formula provided for green marbles)

What we want to know-

4r - 7 (number of green marbles)+ r = 83

Combine like terms; 5r=90

Divide both sides by 5; r= 18

Now that we know the number of red marbles, we'll have ti deduct 18 from 83 in order to find the number of green marbles.

83-18= 65

Explanation:

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