Explanation:
The equation for this problem can be modeled in y = mx + b form.
m represents the rate of change and b represents the initial value or constant.
y = 10x + 20
x represents the number of hours he spent delivering newspapers
y is his total money after whatever number of hours he worked
The rate is 10, because it determines how much money he earns for each hour.
The y-intercept is 20, representing the starting amount of money in his bank account.
Yes , what is the qustion that you have asked
Well we don’t know what’s given
We solve as follows:
*First: We determine the percentage of store purchases:

*Second: The ratio is obtained as follows:

So, the ratio is 11 to 9 purchases.