Answer:
x = 2
Step-by-step explanation:
Distribute the parenthesis on the left side
5x + 3x + 12 = 28
8x + 12 = 28 ( subtract 12 from both sides )
8x = 16 ( divide both sides by 8 )
x = 2
Answer:
25%
Step-by-step explanation:
The tip percentage is 100 times the ratio of what you tipped to what you paid.
100 x (1 dollar tip) / (4 dollars paid) = 25%
6x2=12
12x4=48
This seems to obvious, so it may be wrong!
27/2=13.5(radius)
area: pi*r*r=
pi*13.5*13.5=
572.55526
rounded, 572.56
circumference: 2*pi*r(which is basically diameter times pi)
27pi=84.823
rounded, 84.82
If you multiply 79.35 by 5 you'll get 396.75
So Peggy is correct they'll only make $396.75!
