Question 972688
A person owns shops. This year the telephone bill for the first shop was $550 less than four times the telephone bill for the second shop. The total telephone expense for both shops was $3115. What was the cost of each shops telephone service for the year.
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let x=telephone bill for 2nd shop
4x-550=telephone bill for 1st shop
..
x+(4x-550)=3115
5x=3665
x=733
4x-550=2382
telephone bill for 2nd shop=$733
telephone bill for 1st shop=$2,382