Chandler can mow 2 lawns per hour. Use an equation to determine the number of hours it will take him to mow 7 lawns.
2 answers:
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ANSWER
EXPLANATION
First equation:
Second equation:
Let us equate the two equations and solve for x.
This implies that;
Group similar terms to obtain:
Simplify:
Divide both sides by 3
Put x=-2 into any of the equations.
I will put x=-2 into the first equation:
This implies that,