Question

Jamail and Wanda sell home theater systems. Jamail earns a base salary of $2400 per month, plus $100 for each system he sells. Wanda earns a base salary of $2200 per month, plus $120 for each system she sells. How many systems do Jamail and Wanda have to sell before they earn the same amount of money?

Answer 1

Each extra system can be taken as = x
So, Jamail earns: 2400 + 100x
And Wanda earns: 2200 + 120x
For both their earnings to be equal :
2400 + 100x = 2200 + 120x
Can you solve it now? :-)

Answer 2

10?

Answer 3

Yup. :D