Answer: There is difference of $660 in their paychecks.
Step-by-step explanation:
Since we have given that
Number of hours in one week they worked = 40
Amount of sales = $78000
Kent makes $10 per hour plus 3% on the amount of sales .
So, the equation for Kent becomes,
[tex]10\times 40+\frac{3}{100}\times 78000\\\\=400+3\times 780\\\\=400+2340\\\\=\$2740[/tex]
Similarly, Bradley only makes $7 per hour but he makes 4% on the amount of his sales .
So, the equation for Bradley becomes,
[tex]7\times 40+\frac{4}{100}\times 78000\\\\=280+4\times 780\\\\=280+3120\\\\=\$3400[/tex]
hence, the difference between of their paychecks is given by
[tex]\$3400-\$2740\\\\=\$660[/tex]
Therefore, there is difference of $660 in their paychecks.