Izzie recently took a math test where each correct answer (a) was worth 7.8 points. She also correctly answered a bonus question worth 15 points. Using the equation 7.8a + 15 = 77.4, how many questions

Mahesh Yadav asked Jun 28, 2023

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19 votes

Mahesh Yadav asked Jun 28, 2023

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21 votes

Explanation:

7.8a + 15 = 77.4

77.4 - 15 = 62.4

7.8a = 62.4

62.4 ÷ 7.8 = 8

a = 8

She answered 8 answers correctly.

AlexanderF answered Jul 2, 2023

3.3k points

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