Answered

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the week, Carrie spent
$3.50 for a book. The next day
her father gave her $1.25. Then
she went to a movie, which cost
$7.50. If she now has $10.25,
how much money did she have
at the beginning of the week?

Sagot :

rspill6

Answer:

$20.00

Step-by-step explanation:

Let x be the money Carrie had at the start of the week.

Add/Subtract from this amount (x) for the events occurring during the week:

     x    Start

-3.50   1 book

+1.25   Sugardaddy income

-7.50   Batman movie

===============

The end of the week Carrie has $10.25

Put this into one equation:

x - 3.50 + 1.25 - 7.50 = 10.25

x = 10.25 + 3.50 - 1.25 + 7.50

x = $20.00

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