Answer:

Step-by-step explanation:
=>
[
]
=> 3.64 + 0.6
=> 4.24
Hope this helped!
~AnonymousHelper1807
Answer:
3
Step-by-step explanation:
Answer:
You didn't add a photo
Step-by-step explanation:
......
You have to subtract the largest number from the smallest and you get your range. Which would be 7.5-2.1 equals 5.4 which is b.
Add all the times together:
10 + 25 + 15 = 50 minutes total.
For the ratio divide the time for weights by total time:
25/50 which reduces to 1/2
The ratio is 1/2