# Answer on Algebra Question for Mikayla

Question #20293

Christos scored 80% in his automotive exam. There were 25 questions.

a. how many questions did he get right?

b. How many questions did he get wrong?

a. how many questions did he get right?

b. How many questions did he get wrong?

Expert's answer

Christos scored 80% in his automotive exam. There were 25 questions.

&

a. how many questions did he get right?

As Christos scored 80% of all the questions, then he got right

R = 25 * (80%/100%) = 25 * 0.8 = 20

questions.

b. How many questions did he get wrong?

As Christos scored 80% of all the questions, then he failed 100%-80% = 20% of them and so he got wrong

R = 25 * (20%/100%) = 25 * 0.2 = 5

questions.

&

a. how many questions did he get right?

As Christos scored 80% of all the questions, then he got right

R = 25 * (80%/100%) = 25 * 0.8 = 20

questions.

b. How many questions did he get wrong?

As Christos scored 80% of all the questions, then he failed 100%-80% = 20% of them and so he got wrong

R = 25 * (20%/100%) = 25 * 0.2 = 5

questions.

Need a fast expert's response?

Submit orderand get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!

## Comments

## Leave a comment