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Snowcat [4.5K]
3 years ago
7

Stephen earned scores of 88 points, 94 points, 89 points, and 85 points on four tests. What is the lowest score he can get on th

e fifth test and still finish with an average score of 90 points?
Mathematics
2 answers:
yawa3891 [41]3 years ago
8 0

Answer:

The lowest score Stephen can get on the fifth test = 94 points    

Step-by-step explanation:

The marks scored by Stephen in test one = 88 points

The marks scored by Stephen in second test = 94 points

The marks scored by Stephen in test third = 89 points

The marks scored by Stephen in test fourth = 85 points

Let The marks scored by Stephen in test fifth be x points

Now, The average score in all the tests = 90 points

Sum of all the five tests = 88 + 94 + 89 + 85 + x

⇒ Sum of all five tests = 356 + x

Now, Average × 5 = Sum of five tests

⇒ 90 × 5 = 356 + x

⇒ 450 - 356 = x

⇒ x = 94

Therefore, The lowest score Stephen can get on the fifth test = 94 points

Step2247 [10]3 years ago
6 0
94 Points must be scored in order to get an average of 90 for his grade.
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