In some countries congress, the number of representatives is 80 less than 5 times the number of senators. there are a total of 520 members. find the number of senators and the number representatives

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Guerra

Mathematics

7 August, 06:35

In some countries congress, the number of representatives is 80 less than 5 times the number of senators. there are a total of 520 members. find the number of senators and the number representatives

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Donald · Answer 1

S + r = 520

r = 5s - 80

s + (5s - 80) = 520

6s - 80 = 520

6s = 520 + 80

6s = 600

s = 600/6

s = 100 < = = = senators

r = 5s - 80

r = 5 (100) - 80

r = 500 - 80

5 = 420 < = = = representatives