Question

On her first three geometry test, Sarah scored 89, 93, and 84. If there are four tests total and Sarah needs at least a 90 average for the first four test, what is the lowest score she can receive on the final test?

86
94
92
90
95

Answer 1

94

Explanation:

If you add them all together, you get 266. You subtract that from 90*4= 360

you get 94