The average of johnny's two tests is a 92. what must he get on a 3rd test to raise his average to a 94?

98

Step-by-step explanation:

In order to solve this problem, we just have to create a simple equation, the average is calculated by adding up the grades of the three tests and then diving it by the number of tests, like this:

So we just have to insert the values into the formula, creating an equation, since we want to figure out the grade he has to get on his third test:

So in order to rise his average to 94, he´d have to get a 98 on his third test.

step-by-step explanation: