Substitute the values of a and b into the expression:
11 + 3 - 2
Add first because of order of operations (perform addition and subtraction in the order of occurrence from left to right):
14 - 2
Subtract (same justification as above just with subtraction instead):
12
Hope this helps!
Dress pants for $ 40, a shirt for $ 30, a tie for $ 20
he uses the dress pants coupon....which is the second coupon which gives him y percent off the dress pants
so ur answer is : (1 - y) * 40
They should leave $3.51 for a tip. So half of $23.40 is $11.70, half of $11.70 is $5.85, and then a fifth of $5.85 is $1.17, then multiply $1.17 by 3.
2/3 (two thirds) are hip hop and 1/3 (one third) is pop
V=pi•r^2•h. V=pi•3^2•6 V=169.65=170
