SOLUTION: Chang the trainer has two solo workout plans that he offers his clients Plan A and Plan B Ech client does either one or the othe but no both On Wednesday there were7 clients who d

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Question 1140069: Chang the trainer has two solo workout plans that he offers his clients Plan A and Plan B Ech client does either one or the othe but no both On Wednesday there were7 clients who did Plan A and 9 clients who did Plan B On Thursday there were 5 clients who did Plan A and 3 clients who did Plan B Chang trained his Wednesday clients for a total of 12 hours and Thursday clients for a total of six hours How long does each workout last
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
If a hours for plan A and b hours for plan B
system%287a%2B9b=12%2C5a%2B3b=6%29

Multiply E2 by 3 and eliminate b using subtraction of the two equations...