On this one you should multiply the percentby a 100, that should give you the sales tax
Answer:
x=8 lol this is so easyndiewkkwwkwkwkw
Do a proportion
10/75= 1/x
Cross multiply and divide
75 x 1= 75
75 divided by 10 is 7.5
Answer is 7.5 pencils per dollar
Simple, you are adding a negative to a positive, so think of it as a subtraction, 5/6 - 2/3 = .
2/3 is 4/6.
5/6 - 4/6 = 1/6
