Aaron received a $25 gift card for his birthday. He used it to download a game for $3.99
2 answers:
(Subtract 3.99 on both sides)
(Divide 0.99 to isolate x)
21.01/ 0.99 is 21.222 bar, so round it to the nearest ones place, which is 21.
Check:
(Multiply)
(Add)
, which is $25.
25 <span>≥ 0.99x + 3.99
Subtract 3.99 to both sides:
21.01 </span><span>≥ 0.99x
Divide 0.99 to both sides:
21.22 </span><span>≥ x
x </span><span>≤ 21.22
So he can buy less than or equal to 21 songs.</span>
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Hope it helped! :-D