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need help with a question

Sagot :

we have that

equation Company A is

15x+3

that means------> service fee of $3 and $15 per hour for long distance

eqiation Company B is

14x+5

that means -----> service fee of $5 and $14 per hour for long distance

therefore

The answer is the option C

the other question

equate the equation A and equation B

15x+3=14x+5

solve for x

15x-14x=5-3

x=2 hours