(25000-f)(.03)+.05f=1100
750-.03f+.05f=1100
750+.02f=1100
.02f=350
f=$17500
So Mary invested $17500 @ 5% and 7500 at 3% to earn $1100 in interest.
Answer:
-4
Step-by-step explanation:
2(c-3)=s
because you have to subtract 3 years from sherman's age first, so you need the parentheses
Answer:
-x -7
Step-by-step explanation:
(4x − 6) − (5x + 1)
Distribute the minus sign
(4x − 6) − 5x - 1
Combine like terms
4x-5x -6-1
-x -7
The first step can be subtracting 2x from both sides leaving the equation with 6x + 3 = -15