Answer:
48 - 40 = $8, there is a $8 dollar increase.
Formula for change of percentage;
changed price
___________ x 100% (100/100)
original amount
Replace those values with the values we found;
40/48 x 100/100 = 20% increase.
q = -15
Step-by-step explanation:
5q = -75
Divide both sides by 5 : q = -15
