Jayla has scored 75,80,73 and 85 on her four math test. If she needs and average of 80 or above in order to drama in on the basketball team, what is the lowest score she can make on her next test?

Answer 1

These used to get me!

How do we find average? Add the numbers and divide by the total number of numbers, right?

Her next test will be the fifth.

(75 + 80 + 73 + 85 + t)/5 = 80

(313 + t)/5 = 80

313 + t = 400

t = 87

She really needs to study!