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Leni [432]
3 years ago
14

WILL GIVE BRAINLIEST!!!!!!!!!!!

Mathematics
1 answer:
inysia [295]3 years ago
3 0

Answer:

She need to make 98 on the last assignment.

Step-by-step explanation:

Average = 92

x = mark on last assignment

(88 + 97 + 91 + 86 + x) / 5 = 92

To solve for x...multiply 5 on each side

<em>(88 + 97 + 91 + 86 + x) / 5 * 5 = 92*5</em>

<em>This would get of / 5 so you don't need to divide by 5</em>

362 + x = 460

Subtract 362 from each side

x = 98

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