Answer:
25%
Step-by-step explanation:
25/100 = 25%
2m+3=23
2m=20
m=10
let me know in the comments if you need further explanation :)
Solve each system by substitution. Check your solution. Writing How do you know that substitution gives the answer to a system of equations? ... You Would solve the second equationfor y and then substitute back into the first equation.
So investment is $140 and interest is 3% per yea
yo convert % to number 3/100 = .03
so for one year. $140 x .03 = $4.20/year
in two years you have $4.20+$4.20 =$ 8.40!
Answer is $8.40 or 2 years