Multiply by 3 or divide by 1/3 to change it to 1
Answer:
a. 0.133 pushups/s b. 8 pushups/s c. 1200 pushups/s
Step-by-step explanation:
To write the rate in 3 different ways, we have to use seconds, minutes and hours respectively for the time.
So, a. Number of pushups per second
rate, R₁ = number of pushups per second
= number of pushups/ total time in seconds
= 40 pushups/(5 × 60) s
= 40 pushups/300 s
= 0.133 pushups/s
b. Number of pushups per minute
rate, R₂ = number of pushups per minute
= number of pushups/ total time in minutes
= 40 pushups/5 min
= 8 pushups/s
c. Number of pushups per hour
rate, R₃ = number of pushups per hour
= number of pushups/ total time in seconds
= 40 pushups/(5 ÷ 60) s
= 40 pushups/(1/30) h
= 40 × 30 pushups/s
= 1200 pushups/s
Answer:
1/7
Step-by-step explanation:
The bag contains 2 red balls, 3 blue balls and 10 green balls.
The total number of balls in the bag is:
2 + 3 + 10 = 15 balls
The probability of picking a green ball is:
10/15 = 2/3
There are now 14 balls left in the bag.
The probability of picking a blue ball is:
3/14
Therefore, the probability of picking a green ball and a blue ball is:
2/3 * 3/14 = 2/14 = 1/7
Take $835 and multiply by 0.3 and you get $25.05
If you add $25.05 to $835 you will get $860.05
Keep adding $25.05 and you will have sums of $885.10, $910.15, $935.20
So your answer is D.