Annie want to buy a toy, but she has no money? If she saves for 3 weeks she will be $1 short of what it cost to buy the toy, if she saves for 4 weeks she will be $3 above the toy cost. How much is Annie saving every week? what is the cost of the toy?
1 Answer
Sep 24, 2016
She gets $4 a week, the toy costs $13.
Explanation:
The price of the toy represented by
The amount of money she gets per week is
Therefore
Then we take
Finally we add
Her weekly allowance is, therefore, $4.
Then we can substitute in the value of
The toy, therefore, costs $13