Answer:
360,000
1st Step
40 (km per hour) × 60 (minutes in a hour) × 60 (sec per hour)
144000
Find double of the 144000
Ans = 288000
Step 2
Find the half of 144000
Ans = 72000
Step 3
Add The ans of step 1 and 2
Hope it works
You just add up all the numbers in each position
so
-10 -1 5
-4 14 1
so C
Answer:
−
53.23
Step-by-step explanation: