Answer:
21
Step-by-step explanation:

multiple both sides by 7
v = 21
Check:
21/7 = 3
3 = 3
Answer: D
Step-by-step explanation:
An irrational number times a rational number results in an irrational number.
Dax goes to the store to buy milk. There is a sale for milk, and it now costs 3 dollars since it was 60% off. What was the original price of the milk?
3 - 60
x - 100
Cross multiply
300=60x
5=x
The milk original cost 5 dollars.