Sunday, November 1, 2009

BrendanM's rate growing post

Define Ratio: A relationship between two quantities, normally expressed as the quotient of one divided by the other

Define Rate: A quantity measured by another quantity .
Example : 60km/h [rate of speed]

What is the difference between rate and ratio?
Ratio : Comparing 2 numbers with the same unit
Example) Reds to Greens or 4 cars to 7 trucks

Rate: Its measured in different units (km/h)

Example) Bob was traveling 100km/h for 3 hours how fast was he traveling for 2 hours?

10. Trevor rode his mountain bike 84 km in
3 h. Jillian rode 70 km in 2.5 h. Who is
the faster cyclist? How do you know?

Neither cyclist is the fastest. Because both cyclist got the numbers 28 and 1.

Gill collected $12.00 in 2 hours . Jojo collected $14.00 in 4 and a half hours. What is the unit rate?

Gill $6/1h

Jojo 3.11.../1h

part 2

1) What would the recipe look like if it had to serve 10 people? Show your calculations.

3.75 lbs ground beef
2.5 medium onion diced
2.5 celery finely sliced
2.5 cloves of garlic
35 oz can of tomatoes chopped
3.75 can of tomato paste
2.5 tsp parsley
3.76 tsp basil
2.5 tsp oregano
2.5 tsp sugar
1.25 tsp Worchestershire Sauce
1.25 tsp Seasoning Salt
2.5 Bay Leaf

2) What would the recipe look like if you had to only serve 1 person? Show your calculations.
0.375 lbs ground beef
0.25 medium onion diced
0.25 celery finely sliced
0.25 cloves of garlic
3.5 oz can of tomatoes chopped
0.375 can of tomato paste
0.25 tsp parsley
0.376 tsp basil
0.25 tsp oregano
0.25 tsp sugar
0.125 tsp Worchestershire Sauce
0.125 tsp Seasoning Salt
0.25 Bay Leaf

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