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Natali [406]
3 years ago
7

Christine took 3 tests and had an average of 76. She has one more test to take and she wants an average of 80. What is the lowes

t score she can get on the last test? 10pts
Mathematics
1 answer:
amm18123 years ago
6 0

Answer: She has to score a minimum of 92 marks to take her average to 80

Step-by-step explanation:

Let the equation be

Three months total = 76 x 3 = 228

(x + 228) / 4 = 80

x + 228 = 80 x 4

x = 320 - 228

x = 92

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