Answer:
I would pick the letter C
Step-by-step explanation:
20% off means you paid only 80% of the original price.
0.8x=40
x=40÷0.8=50
so the original price is 50
The woman is moving at 6mi/hr which means 1mi per 10 minuets because 1 hour = 60 minuets and she is moving 6 mi every 60 minutes which means 1 mi every 10 minuets , same thing for that man 12 mi every hour = 2 mi every 10 minuets , and because of the opposite direction we will add 2 + 1 = 3mi after 10 minuets. I hope that helped u a little bit.
Example of Rebate: Bose offers $50 cash back to customers who purchase a new speaker and send in proof of purchase. Most effective, but most expensive, way to introduce a product.