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one number is three times another, and four times the smaller added to five times the greater amounts to 133; find them​

1 Answer

5 votes

Explanation:

S=smaller number; L=larger number=3S

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4S+5L=133

4S+5(3S)=133

4S+15S=133

19S=133

S=7 ANSWER 1: The smaller number is 7.

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L=3S=3(7)=21 ANSWER 2: The larger number is 21.

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CHECK:

4S+5L=133

4(7)+5(21)=133

28+105=133

133=133

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