Mario answered 20 out of 25 questions correct on his test. What percentage did he get correct?
A 20%
B. 50%
C. 60%
D.80%

How to solve a simultaneous equation involved with fractions?

Use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2 + 9 = −26 −3 − 7 = 13

If point cis between points a and b, then ac + — = ab