Answer:
1. P= 80
60/.75=80
2. x= 5/3
-27/25x / -27/25= -9/5 / -27/25
-9/5 / -27/25 --- -9/5 x -25/27
3. -300
-2.7/-2.7 = 810/-2.7
4. 120
84x100/70
<u>84/x = 70/100</u>
%change=100(final-initial)/initial
%change=100(25-40)/40=-37.5%
So Denise received a discount of 37.5% off the regular price.
I believe the answer is c, TSR
6= - 5/4 (-4) +b
6=-5+b
11=b
y=-5/4+11
To find this answer multiply the cost of the ice cream by 18%/100, or .18
$154 x .18 = $27.72
