Colin predicted whether he got answers right or wrong in his 50 question exam. He identified the 18 questions he thought he got wrong. It turns out that Colin got 3 questions right that he thought he got wrong. Colin also got a total score of 27 out of 50 in the test. What is the percentage accuracy he had with predicting his scores?

30

step-by-step explanation:

times by times

let's solve your equation step-by-step.

4x+2=2x+12

step 1: subtract 2x from both sides.

4x+2−2x=2x+12−2x

2x+2=12

step 2: subtract 2 from both sides.

2x+2−2=12−2

2x=10

step 3: divide both sides by 2.

2x

2

=

10

2

x=5

step-by-step explanation:

6/20

step-by-step explanation:

i would you but i don't under stand the qustion

step-by-step explanation: