This is the method of substitution
And also an example of how it works
Hope this helps :))
Write an equation and solve:
1 answer:
Answer
Find out how many months will it take for Jeff to weigh the same as Darius .
To prove
As given
Jeff and Darius are trying to gain weight for the football team.
Jeff weighs 120 pounds and is gaining ten pounds per month.
Darius weighs 150 pounds and is gaining 4 pounds per month.
m = represented the number of months will taken by the Jeff to weigh the same as Darius .
Than the equation become in the form
120 + 10m = 150 +4m
150 - 120 = 10m - 4m
30 = 6m
m = 5 months
Therefore in 5 months will it take for Jeff to weigh the same as Darius.
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