there are 20 men and 20 boys at the barber. If the barber charges $10 for men And $7 for boys, how much will the barber make

Question

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?

Answer 1

m=men

b=boys

t=total earned

 

Assuming the barber cuts all of their hair:

 

(20m x 10) + (20b x 7) = t

 

200 + 140 = $340