Answer:
Jack earned $2560 this summer.
Explanation:
Given:
Money given away = $256
Percentile of money give away = 10%
We need to find the total money he earned this summer.
Solution:
Let the total money he earned this summer be 'x'.
So we can say that;
Money given away is equal to Percentile of money give away multiplied by total money he earned this summer and then divided by 100.
framing in equation form we get;
Now multiplying both side by 10 we get;
Hence Jack earned $2560 this summer.