Answer:
The person invested $3500 at 7% and $2500 at 5%
Step-by-step explanation:
We can say that
because the investment is equal both in one as in another, where x is the income from the investment.
Solving the equation we have:

Then to get the incomes:
At 7%: 
And at 5%: 
Finally we can demonstrate the answer because the income at 7% + income at 5% are 3500+2500=$6000
Answer:
35:40 ; 35 to 40 ; 35/40
Step-by-step explanation:
Answer:
9
Step-by-step explanation:
12-.25(12)=12-3
12-3=9
Answer: 24.806
Step-by-step explanation:
Answer:
x=4
Step-by-step explanation:
56/14=4