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vovikov84 [41]
2 years ago
9

Bill is purchasing according lessons. There's $20 materials fee and lesson cost $15. Write an equation for the situation and the

n determine how many lessons built if his total was $125.
Mathematics
1 answer:
saul85 [17]2 years ago
3 0
X = number of lessons, y = total cost

y = 15x + 20 <== ur equation

when total bill was 125...y = 125
125 = 15x + 20
125 - 20 = 15x
105 = 15x
105/15 = x
7 = x <=== if Bill took 7 lessons, it would cost 125 <==
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<em>Comment on the GCF</em>

It can be useful to know Euclid's algorithm for finding the GCF:

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