Question

John needs a minimum of 360 marks in four tests in a Mathematics course to obtain an A grade. On his first three tests, he scored 88, 96, 79 marks. What should his score be in the fourth test so that he can make an A grade?​

Answer 1

Answer:

97 is the answer

Step-by-step explanation:

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Answer 2

☯ Let John score x marks in the fourth test. Then the sum of John's test scores should be greater than or equal to 360 i.e.,

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➣ 88 + 96 + 79 + x ≥ 360

➣ 263 + x ≥ 360

➣ x ≥ 360 + (- 263)

➣ x ≥ 97

☆ Therefore,

• John should score 97 marks or greater than 97 marks in the fourth test to obtain A grade.

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