75p is the correct answer because 1 lemon is 15p
Function: 12+0.5x
12+0.5x=18.5
0.5x=6.5
x=13 days
A 15% percent markup means that the typewriter cost was increased by 15%, or 0.15 by moving the decimal 2 places to the left. If the original price was x, and 15% of it is 0.15*x, we can add them up to get 1.15*x=129.95. Dividing both sides by 1.15, we get x=113 dollars
6/24=1/4=25%
answer is 25% are bad
