Answer:
The Jonathon and Raymond need to sell 6000 sales to earn the same amount each month.
Explanation:
Given data
Let no. of sales = x
Jonathon earning = $ 1500 +
![(10)/(100) x](https://img.qammunity.org/2021/formulas/mathematics/high-school/jvp8ualnsf4j9b1eirklbi8lvxny3ygd5o.png)
Raymond earning = $ 1200 +
![(15)/(100) x](https://img.qammunity.org/2021/formulas/mathematics/high-school/4b2us4320qo9omx8xy6vzae6gy72c94sc6.png)
Given that the earnings of Jonathon & Raymond are same.
1500 +
= 1200 +
![(15)/(100) x](https://img.qammunity.org/2021/formulas/mathematics/high-school/4b2us4320qo9omx8xy6vzae6gy72c94sc6.png)
300 =
![(5)/(100) x](https://img.qammunity.org/2021/formulas/mathematics/high-school/lhxhh7f9pce54cjdr4f0a15zl66knq7rwx.png)
x = 6000 sales
Therefore the Jonathon and Raymond need to sell 6000 sales to earn the same amount each month.