Acoach shows the following ratio table to a team. the table shows the average amount of calories burned for a certain number of minutes of running. based on the table, how many minutes does a person need to run to burn 100 calories?

20 minutes

Step-by-step explanation:

From the given information, we can see that:

We can see the pattern that minutes x 5 = number of calories.

4*5 =20

8*5=40

So for the last line, what we need is a number which multiplied by 5 gives us 100. Let that number be :

So you would need to run 20 minutes.

a28=58

step-by-step explanation:

a1=a1+(n-1)d

a28= 4+ (28-1)2

a28=4+(27)(2)

a28=4+54

a28=58

she will sew have sewn five dresses   and be 1/3 done with the sixth one in an hour.

step-by-step explanation:

3/4 of an hour=45 mins

lucy makes 1 dress per 11.25 minutes

45 mins+11.25 mins=56.25 mins

60 mins- 56.25 mins=3.75 mins

3.75 mins is 1/3 of of 11.25 mins

therefore she the other 1/3 would be part of the hour and she will have sewn 5 dresses and begun the sixth.

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