Jennifer needs to make an average of at least $350 per week. If she makes $385, $326, and $298 for the first 3 weeks of the month, how much must she earn during the fourth week to end up with an average of at least $350 per week for this month?

Question

Woodward

Mathematics

21 August, 12:07

Jennifer needs to make an average of at least $350 per week. If she makes $385, $326, and $298 for the first 3 weeks of the month, how much must she earn during the fourth week to end up with an average of at least $350 per week for this month?

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Answers (1)

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Kenley Holloway · Answer 1

385 + 326 + 298 = 1,009 / 3 = 336.33

385 + 326 + 298 + x = 350

350 x 4 = 1,400

1,400 - 1,009 = 391

385 + 326 + 298 + 391 = 1,400 / 4 = 350

The answer is $391