A student has gotten the following grades on his tests. What is the minimum grade he must get on the last test in order to have

Question

3 years ago

5

an average of 81? 71, 96, 90, 73 The minimum grade he must get on the last test in order to have an average of 81 is ?. (Simplify your answer.)

1 answer:

steposvetlana [31] · Answer 1 · 2022-02-27T14:29:15+03:00

3 0

In order to get an 81 average,
the student has to get 81x5=405

71+96+90+73+?=405
330+?=405
405-330=75
he needs to get an 75