Robinson Wholesale Company paid $1370 for 500 items. Later they bought 800 items for $1730. Assume that the cost is a linear function of the number of items. Write the equation. (Let y represent the amount paid and x represent the number of items purchased.)

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Ответ:

rebtav

27.02.2023

Mathematics

$500\leq 100(1.05)^t$

Step-by-step explanation:

Given,

The initial deposit, P = $ 100,

Annual increasing rate, r = 5 %,

Thus, the amount after t years,

$A=P(1+\frac{r}{100})^t$

$=100(1+\frac{5}{100})^t$

=100(1+0.05)^t

$\implies A = 100(1.05)^t$

According to the question,

A ≥ $ 500

$\implies 500\leq 100(1.05)^t$

Which is the required inequality that can be used the value of t.

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