SOLUTION: David hikes 2 1/2 miles in a half hour. What is his rate in miles per hour? How long will it take him to walk 18 miles? If he walks 7 hours how far will he have gone? The ra

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Question 953664: David hikes 2 1/2 miles in a half hour.
What is his rate in miles per hour?
How long will it take him to walk 18 miles?
If he walks 7 hours how far will he have gone?
The ratio of green m&ms to yellow is 2:5
If there are only green n yellow m&ms in the bag what is the smallest number of m&ms possibe?
If there are 84 m&ms in the bag altogether how many are green?
If red m&ms were added to the bag in the above question, to get 100 what is the ratio of green to yellow to red?
Please help...I am so stumped
Answer by MathLover1(20855) (Show Source):
You can put this solution on YOUR website!

1.
if David hikes or miles in a half hour,

What is his rate in miles per hour?
then his rate is:

How long will it take him to walk :

or '
If he walks how far will he have gone?

2.
The ratio of green m&ms to yellow is
If there are only green and yellow m&ms in the bag what is the smallest number of m&ms possible?
if , the smallest number of m&ms possibe is green and yellow , or m&ms total
If there are m&ms in the bag altogether then =>

then we have =>=>

If red m&ms were added to the bag in the above question, to get 100 what is the ratio of green to yellow to red?

ratio:
is:
simplify, divide each by