3 years ago

HELP FAST 25. What is the value of x in the solution to this system of equations?

Mathematics

1 answer:

ser-zykov [4K]3 years ago

6 0

put the question into wolframalpha.com youll never need to use brainly again

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Kristy makes 5$ per hour babysitting and 12$ per hour giving music lessons. One weekend, she worked a total of 18 hours and made

MariettaO [177]

Let Karen works x hours baby sitting
So, she worked (18-x) hours giving music lessons
So,
According to question
5x + 12(18-x)=139
This gives
7*x=77
x=11
So,
<span>Karen worked <em>11 hours baby sitting </em>and (18-11)=7 hours giving music lessons</span>

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