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Lenny knew he needed to find the hours she worked. He assigned the variable h. Then he made an equation. 6(h)-.25(6h)=450.
Okay. I can do this. First, I need to read the problem again. I know she is working for $6 an hour. She needs to make $450 And finally, she has 25% taken out.
h=number of hours 6(h)-.25(6h)=450 6(h)-1.5h=450 4.5h=450 h=100 So she needs to work 100 hours
Lenny ended up getting an A on his test. He passed his class, his mother was proud, and it was all thanks to linear equations.
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