85 / 15 = 5 2/3
30 x 5 = 150
2/3 x 30 = 20
The answer is 170 seconds, or 2 minutes and 50 seconds
Answer:
0.407
Step-by-step explanation:
8.14÷20 which equals 0.407 hdjdnfbdn
Answer:
11^6 = 1,771,561
114^4 = 1.68 x 10^8 or 1.68896e8
Step-by-step explanation:
Answer:

Step-by-step explanation:
Let
x ----> the number of minutes
y ----> the total charge in dollars
we know that
For x>700 min

so
For y=48.10
substitute

Multiply by 100 both sides
----> equation without decimals
solve for x

To find out the total minutes we need to sum
