Aidan buys 3 bicycles for $252. Each bicycle was the same price.
2 answers:
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The student completed 13 courses with 3 credit hours.
Step-by-step explanation:
Total credit hours = 59 credits hours
Total courses = 18
Let,
3 credit hours courses = x
4 credit hours courses = y
According to statement;
x+y=18 Eqn 1
3x+4y=59 Eqn 2
Multiplying Eqn 1 by 3
Subtracting Eqn 3 from Eqn 2
Putting y=5 in Eqn 1
The student completed 13 courses with 3 credit hours.
Keywords: linear equation, elimination method
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