a student spends the same amount each week for bus fare. In 5 weeks, he spends $115. Write an equation for his relationship. Let
x = number of weeks
1 answer:
Answer:
f(x) = ($23/week)(x)
Step-by-step explanation:
Hello!
Let's determine the unit rate. I'd suggest finding the cost per week, rather than the weeks covered by a certain amount of money.
Then:
$115
-------- = $23 per week
Then the amount spent as a function of the # of weeks would be:
f(x) = ($23/week)(x)
5 wk
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