if there are 20 men and 20 boys wanting a haircut, the barber charges $10 foe men and $7 for boys. How much will the barber make that day?

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if there are 20 men and 20 boys wanting a haircut, the barber charges $10 foe men and $7 for boys. How much will the barber make that day?

The population of the United States was about 280 million in 2000 and about 310 million in 2012. What was the annual rate of change in population from 2000 to 2010?

If the angles A, B, and C (in that order) of triangle ABC are in arithmetic progression, and L= lim as A approaches C square root(3-4sinAsinC)/absolute value (A-C), then find the value of 100L^2....

Based on number theory

Joan works on commission for a furniture store. She gets a base pay of $80 a day plus 5 percent of the value of any merchandise she sells that exceeds a total of $400. Joan wrote the expression 400...

9(4x+3)2 -5 = -45

The slope is 6/100.

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x/2 - x = -1

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desc the demensions of the frame

Need help answering this questioning

In a survey of 100 students, the numbers taking various courses were found to be English, 64 ; mathematics, 46; chemistry, 56; English & mathmatics,26; English & chemestry,32; mathematics...

-4(y + 8)=14

This is in relation to linear graphs and modelling. Any help would be greatly appreciated. Thank you heaps in advance

License plates in a particular state display 2 letters followed by 3 numbers. How many different license plates can be manufactured for this state?

i really need help with this question I have been struggling for it for a while

I need help because my teacher doesn't give us easy work. Thanks.