Discounted by 25% means he paid 75% of the original price:
80 x 0.75 = $60
Now multiply the sale price by 1 + tax rate:
60 x 1.05 = 63
He paid $63 total.
Answer:
is the 48 and 45 points out of 100?
C
Step-by-step explanation:
x^2 = 20.
sqrt(x^2) = sqrt(20)
x = +- 2sqrt(5)
2 and -2
what? what is this supposed to be?