Oceanbreeze4320 Oceanbreeze4320

31-03-2022
Mathematics

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The average of four numbers is 97. If three of the numbers are 87 91 and 99 what is the fourth number

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13112852 13112852

31-03-2022

Answer:

111

Step-by-step explanation:

Given that the average is 97:

Value 1 = 87

Value 2 = 91

Value 3 = 99

Value 4 = x

Average= sum of all numbers/total number of values

97= 87 + 91 + 99 + x / 4

97= 277 + x/ 4

97 x 4 = 277 + x

388 = 277 + x

388 - 277 = x

x = 111

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chistar22 chistar22

31-03-2022

Answer is 111

97 x 4 = 388

91 + 87 + 99 = 277

388 - 277 = 111

Answer Link

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