Answer: B: 9.6 x 10 7 km
Step-by-step explanation:
It would be: 20- 20*20/100 = 20-4 = $16
You will pay $16.00
You saved $4.00
Answer: D .512m
Basically D
Answer: 4 hours
Step-by-step explanation:
The water level changes at an average rate of 3 meters per hour.
The question wants to know how long it will take for the ocean water level to change 12 meters.
You can use direct proportion:
1 hour : 3 meters
x hours : 12 meters
Cross multiply to get:
3x = 12
x = 12 / 3
= 4 hours