I think each package would be $1.69. first you subtract 3.24 from 10 to get what you payed then divide that by 4 to get 1.69
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Answer:
Step-by-step explanation:
He has 42.80
Call x the amount that he will have
If he pays 12 to Rita, x = 42.80 - 12
If he receives 12 from Rita, x = 42.80 + 12
From the first equality
x - 42.8 = -12
From the second equality
x - 42.8 = +12
Then |x - 42.80| = 12
