Justin's grades in math for the 3 quarters are 90, 92, and 94. If each of the first three quarters is given 20% weight, what should be his grade in the last quarter so that his final in math is 95? where do you can you use your knowledge mean?

Justin's grades in math for the 3 quarters are 90, 92, and 94. If each of the first three quarters is given 20% weight, what should be his grade in the last quarter so that his final in math is 95? where do you can you use your knowledge mean?

PREALGEBRA

15th Edition

ISBN:9781938168994

Author:OpenStax

Publisher:OpenStax

Chapter5: Decimals

Section5.1: Decimals

Problem 93E: Jim ran a l(X)-meter race in 12.32 seconds, Tim ran the same race in 12.3 seconds. Who had the...

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