8 ÷ 544 = 0.0147058824, 544 ÷ 8 = 68
Answer:
option A. 21 sec
Step-by-step explanation:
Speed = the distance over the time
Given:
Speed = 2 m/s and distance = 42 m and time = t
So,
2 = 42/t
Solve for t
t = 42/2 = 21 sec.
The answer is option A. 21 sec
Answer:
1/6
Step-by-step explanation:
20 sec of 120 sec = 20/120 = 1/6
Sent you a pic of the product of the expressions.
45 minutes equal to 2700 seconds.
