B 3 + x is an expression because it has no =
Jason -1 mile
Megan - 1 mile + 1/4 mile = 1.25 mile
Jason - 6 miles
Megan - 6*1.25 = 7.5 miles
The order you apply the adjustments does make a difference because the percents that are applied will be applied to different amount.
For example, 80% of 100 = $80. The price would be $180.
Decreasing this by 25% 25% of 180 = $45; 180-45 = $135.
25% of 100 is not the same as 25% of 180.
90 cookies will feed 30 people just double 45
