Answer: 5km per hour
Step-by-step explanation:
You'd do 20/number of hours so you get 1 hour and you'll get his walking speed
Answer:
-12
Step-by-step explanation:
We can just try and find what works! since we can subtract 12 from -2 and get -14, we might try subtracting 12 every time. After we test it out, we see that is is correct!
Answer:
x=24
Step-by-step explanation:
First: Multiply -6 to both sides
Next: You get 3x=72
Then: Divide 72 by 3
Last:....
ANSWER: x=24
The conference call lasts 90 minutes. Minutes at daytime rate is 7pm to 8pm, 60 minutes, and at nighttime rate, 30 minutes.
60 mins @ 5c/min=$3. 30 mins @ 3c/min=$0.90. Total before conference charge: $3.90. Total cost=3.90×1.5=$5.85.