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Anvisha [2.4K]
1 year ago
13

Alexa borrowed some money from her friend in order to help buy a new video game system. Alexa agreed to pay back her friend $10

per week and originally borrowed $170. Write an equation for L,L, in terms of t,t, representing the amount Alexa owes her friend after tt weeks.
Mathematics
1 answer:
Ulleksa [173]1 year ago
7 0

Answer:

L(t) = 170 - 10t

Step-by-step explanation:

The amount that Alexa owes after t weeks is given by a linear equation in the following format:

L(t) = L(0) - bt

In which L(0) is the initial amount borrowed and b is how much is paid per week.

Alexa agreed to pay back her friend $10 per week and originally borrowed $170.

This means that, respectivelly, b = 10, L(0) = 170. So

L(t) = L(0) - bt

L(t) = 170 - 10t

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