A group of friends recorded how fast tthey could run a 100 meters

Mathematics

2 answers:

Maru [420]3 years ago

8 0

Answer:

58.4

Step-by-step explanation:

Runner 1 ran 14.85 and Runner 2 ran 14.05 from there you need to add the two together and you get 28.90. From there you can add Runner 3 and Runner 4 time together and you get 29.50.

After that you add them together and you get 58.4

I hope this helps! Let me know if you need more help on this question.

Liula [17]3 years ago

8 0

58.4 is the correct answer

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Alan is 5 years older than Bob. Bob is twice as old as Cindy. All their ages add up to 20. What are their ages?

Llana [10]

We can use a variable equation to solve this. Let A represent alan's age, B represent bob's age, and C represent Cindy's age. So Bob's age would be Alan's age - 5, or a -5 = B. Then Bob's age would be double Cindy's age, so that means 2 multiplied by Cindy's age = Bob's age, or 2C = B. Your two equations are:

A - 5 = B
2C = B

Also a third equation that helps is A + B + C = 20.

Finally, here are the ages.
Alan = 11 years old
Bob = 6 years old
Cindy = 3 years old.

PS: Sorry, I'm not that good at explaining things, but here are the answers

6 0

4 years ago

Ill give brainliest for the correct answer and explanation!!

OleMash [197]

Answer:

false true true false false

Step-by-step explanation:

use percentage and divide by the number given

7 0

3 years ago

Read 2 more answers

Please what is the answer