The height of the trapezoid is 2 cm
You would multiply the orignial price by (10%) converted to decimal to find the discount:
21 * 0.10
=2.10
Then, you subract the discount from the original price to see how much he paid:
21 - 2.10 = $18.90
Answer:
-20
Step-by-step explanation:
32-12=20 so do it backwards. :D
X=5
because 3 goes into 12 4 times and 20 divided by 4 equals 5