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Plz help me (right answer only plz)
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Plz help me (right answer only plz)

Plz help me (right answer only plz)-example-1
User Joe Mancuso
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2 Answers

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User Samuel Urbanowicz
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5 votes
21+16+28+19+x/5=18 (you are finding the missing number of 5 numbers to have a mean of 18)
84+x/5=18
Cross multiply and solve for x
84+x=90
So x, your final number of problems given a Friday, is 6.

Check: 84+6/5=90/5=18
User Goutham Nithyananda
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5.7k points
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