Sunday, November 1, 2009

Jomari's Rate Growing Post

Ratio - Two or more quantities that are compared in the same units.
Rate
- Two quantities that are compared in different units.

Rate and ratio are different because ratio compares at least 2 things in the same units and rate compares only 2 things in different units.

6.Gina earns $78.00 for working 6 h. Asad makes $192.50 after working 14 h. Determine each person’s unit rate of pay. Who has a greater hourly rate of pay?

Gina: $ 78.00 ÷ 6h =$13 Gina earns $13.00/hour

Asad : $192.50 ÷ 14h = $13.75 Asad earns $13.75 / hour.

Asad has a greater hourly rate of pay.

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?

Trevor : 84 km ÷ 3h = 28 km Trevor rides at 28 km/hour

Jillian : 70 km ÷ 2.5 h= 28 km Jillian rides at 28 km/hour

Trevor and Jillian ride at the same speed because they traveled the same distance in 1 hour.

Coin Question:
A jar was filled with 1707 coins. You started to put coins in it on January 1,2010 and filled it up on October 7,2014. How many coins do you put into the jar per day?

January 1, 2010 to October 7,2014 = 1707 days
1707 coins ÷ 1707 days = 1
You would put 1 coin/day

1.
What would the recipe look like if it had to serve 10 people? Show your calculations.
Ground beef 1.5 lbs x 2.5 = 3.75 lbs
medium onion diced 1 x 2.5 = 2.5
Finely sliced celery 1 x 2.5 = 2.5
clove garlic 1 x 2.5 = 2.5
can of chopped tomatoes 14 oz x 2.5 = 35 oz
tomato paste 0.5 x 2.5 = 1.25
parsley 1 tsp x 2.5 = 2.5 tsp
basil 1.5 tsp x 2.5 = 3.75 tsp
oregano 1 tsp x 2.5 = 2.5 tsp
sugar 1 tsp x 2.5 = 2.5 tsp
Worcestershire 1.5 tsp x 2.5 = 3.75 tsp
seasoning salt 1.5 tsp x 2.5 = 3.75 tsp
bay leaf 1 x 2.5 = 2.5

2.
What would the recipe look like if you had to only serve 1 person? Show your calculations.
Ground beef 3.75 lbs / 10 = 0.375
medium onion diced 2.5 / 10 = 0.25
Finely sliced celery 2.5 / 10 = 0.25
clove garlic 2.5 / 10 = 0.25
can of chopped tomatoes 35 oz / 10 = 3.5 oz
tomato paste 1.25 / 10 = 0.125
parsley 2.5 tsp / 10 = 0.25
basil 3.75 tsp / 10 = 0.375
oregano 2.5 tsp / 10 = 0.25
sugar 2.5 tsp / 10 = 0.25
Worcestershire 3.75 tsp / 10 = 0.375
seasoning salt 3.75 tsp / 10 = 0.375
bay leaf 2.5 / 10 = 0.25

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