Sam Estero received a $50 gift card to ITunes for his birthday. If he downloaded 14 songs at $0.99 per song, 4 songs at $1.29 per song, and 6 apps for his iPhone at $1.99 per app, how much credit (in $) remained on the gift card?
$

if you use photomath right away it will give you the answer not like this app that you have to wait for people.

hence, the required result is

step-by-step explanation:

suppose we have two matrices a and b

we will assume the two matrices

we have to compute b-a which means subtracting corresponding elements of a from b.

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