Question

the old price for school lunches is $5. The new price is $5.25. What is the percent increase in the cost if school lunches? Write answer as percent. The formula is p=b-a/a. b =new price for lunch. a=old price for lunch. P=percent increase

Answer 1

p = 5.25-5.00/5.00

p =0.25/5.00

p=0.05 = 5% increase