8-12. Write a system of equations for each word problem.
sem or equations for each word problem. Then use matrices to solve the
system.
8. Jamal and Wanda sell vacuums door to door. Jamal earns a base salary on
month, plus $150 for every vacuum he sells. Wanda earns a base salary of $1800
pius ir for every vacuum she sells. How many vacuums do Jamal and Wanda have to sell
before they earn the same amount of money?
a. a. Write a system of equations.
b. Solve the system to find the number of vacuums and amount when they are the same.
Vacuums:
Dollar Amount:

answer: the value should be used for i in the formula of calculation the monthly payment , the interest rate per period is 0.85.

step-by-step explanation:

the given rate of interest i= 85%

in calculating the monthly payment for a loan with an interest rate compounded monthly, the value of the interest rate per period we use in the formula must be in decimal form.

to convert it in decimal, we divide it by 100, we get

hence, the value should be used for i in the formula of calculation the monthly payment , the interest rate per period is 0.85.

-4, -2, 1, 4

step-by-step explanation:

domain = x values

range = y values