Price of the book = $50
20% discount = 0.2 x 50 = $10
After discount, the price of the book is
$50 - $10 = $40
I have $35, so I need
$40 - $35 = $5 more
Answer: I need to borrow $5 from a friend.
Answer:
21
Step-by-step explanation:
<em>b=20</em>
<em>a</em>=14
I hope this helps!