Easy peasy, this is a representation of differnce of 2 perfect squares
a^2-b^2=(a-b)(a+b)
The sales price is $15.2
Step-by-step explanation:
Given,
Discount = 80%
Original price = $76
Discount price = 80% of original price

Sale's price = Original price - Discount price

The sales price is $15.2
Keywords: Subtraction, percentage
Learn more about subtraction at:
#LearnwithBrainly
Answer:
15/60×100=25%
Step-by-step explanation:
the number of students wanted to go outside/the whole number of students×100
15/60×100=25%
She earned 145$ a day because 725/5 is 145