Answer:
10.46
Explanation:
$28 cake + 3x4 which gives you $12ballons
+ 3.78 a candle and a card 5.76
so
28 + 12 = 30
30 + 3.78 = 33.78
33.78 + 5.76 = 39.54
50 - 39.54 = 10.46
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