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anygoal [31]
3 years ago
13

let a(x) be the amount of money remaining on hilarys gift card after purchasing x apps on her phone since a(12) = ??? , hilary w

ill have ??? dollars on her card after purchasing ??apps A(x)=50-1.25x
Mathematics
1 answer:
mezya [45]3 years ago
7 0

Answer:

Step-by-step explanation:

Given ⇒⇒⇒ a(x)=50-1.25x

a(x) be the amount of money remaining on Hillary's gift card.

x number of apps purchased on her phone

∴ a(12) = 50 - 1.25 * 12 = 35

Which mean : She have amount of total money = 50

she purchased 12 apps costs 12 *1.25 = 15 . So , she spent 15

The remaining on Hillary's gift card = 50 - 15 = 35

The correct answer is :

a(12) =35 .

This means that purchasing 12 apps , Hillary has $35 left

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