MAT 120 WEEK 8 QUIZ
1 Janet invested $10000 part at 2% and part at 12%. If the total interest at the end of the year is $600, how much did she invest at 2%?
a. $4,000
b. $7,000
c. $6,000
d. $5,000
Hint: Sections 7.1
SLO7:Solve systems of equations.
LO7C:Write and solve systems of equations to solve real-world problems.
2. Solve the system of equations by using the elimination method.
x+y=9
2x-3y=-2
a. (4, 5)
b.
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MAT 120
06 Nov 2015