kayray421 kayray421

13-08-2019
Mathematics

contestada

Kevin scores on the first for science test are 88, 92, 82 and 94. What a score must he earn on the fifth test to an average of 90? Define a variable write an equation and solve. (PLEASE HELP)

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13-08-2019

88+ 92+ 82+ 94 + x
———————————— = 90
5

x= 5th test

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