Question

Mario can save 40% on headphones at Best Buy with a coupon from the paper. Circle all of

the expressions he can use to find the discounted price of the headphones with an original
price of p.
a. 0.40p b. 0.60p c. p – 0.40 d. p – 0.40p

Answer 1

Answer: B and D.

Explanation:

1) Find 40% as a decimal

100% = 1

40% = 0.4

2) It's -40% of its total value. So minus its value time 40%.

p - 0.4p

3) Simplify

0.6p

A) 0.4p not equal 0.6p X

B) 0.6p = 0.6p

C) p - 0.4 not equal 0.6p X

D) p-0.4p = 0.6p