Question 263640
we have two equations
(i) {{{49 + 29m}}}
(ii) {{{25 + 37m}}}
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a: in how many months will both lawn-care servoces cost the same? what will that cost be? 
set them equal to get
{{{49 + 29m = 25 + 37m}}}
subtract 29m to get
{{{49 = 25 + 8m}}}
subtract 25 to get
{{{24 = 8m}}}
divide to get
{{{m = 3}}}
after 3 months they will cost the same @ $136
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b: if the family will use the service for only 6 months, which is the better option? explain.
The better option if use for 6 months is Green Lawn. You pay $223 versus Grass team @ $247