SOLUTION: Paula calculates her total eranings for the month with the equation, E=15m+5b, where E is the total number of dollars she earns, m is the number of lawns she mows, and b is the num

Algebra ->  Test -> SOLUTION: Paula calculates her total eranings for the month with the equation, E=15m+5b, where E is the total number of dollars she earns, m is the number of lawns she mows, and b is the num      Log On


   

Question 308175: Paula calculates her total eranings for the month with the equation, E=15m+5b, where E is the total number of dollars she earns, m is the number of lawns she mows, and b is the number of hours she baby-sits.
If Paula mows 6 lawns, how many hours must she baby-sit to earn a total $200?
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
E=15m+5b
15*6+5b=200
5b+90=200
5b=110
b=22 hrs
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Ed