Rod's scores on 4 history tests are 88,96,98,and 90. What score does he need on the fifth test to have a mean score of 94 on all

Question

iragen [17]

3 years ago

11

Rod's scores on 4 history tests are 88,96,98,and 90. What score does he need on the fifth test to have a mean score of 94 on all

5 tests?
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Please help answer

Mathematics

2 answers:

Troyanec [42] · Answer 1 · 2022-06-11T06:02:27+03:00

Troyanec [42]3 years ago

8 0

The answer is 98 because you add everything up and you divide.

aleksandrvk [35] · Answer 2 · 2022-06-11T04:05:35+03:00

aleksandrvk [35]3 years ago

7 0

(88+96+98+90+x)/5=94
Add all the numbers
(372+x)/5=94
Multiply both sides by 5
372+x=470
Subtract 372 from both sides
x=98

Double check:
88+96+98+90+98=470/5=94

Hope that helps