Ratios
How do you know if a ratio is proportional?
Ex:
10/16=5/8
You can simplify fractions to the same simplest form.
Compare cross products. ex:
10*8 =16*5?
To increase a recipe that serves 8 to make 12 servings, what do you multiply each ingredient by?
3/2
According to the Food Pyramid (picture on page 164), what foods should people eat the most of?
Grains
How many fewer calories per day must be consumed in order to lose 6 pounds in 5 weeks?
600 fewer calories per day
Find the missing term:
13/20=x/40
x=26
There are 350 calories in 1.5 cups of spaghetti. How many calories are in 2 cups?
467 Calories
There are 6 grams of fat per serving in granola. Each serving provides 180 calories. What percentage of these calories is from fat?
(Remember there are 9 calories of fat in each gram)
30%
Running consumes 700 calories per hour. About how many calories are used in 40 minutes of running?
467 calories
Find the missing term:
6/60=3.5/x
x=35
Use the calorie chart on page 166.
How many calories are consumed if you eat Breakfast: yogurt, corn muffin, iced tea with sugar
430 Calories
Look at the two labels on page 167. Which of the two have fewer calories from fat?
Bran with Raisins
A salad recipe that serves 10 people requires 1.5 cups of celery. How much celery is needed for 5 servings?
3/4 cups
Which Ratio is not Proportional?
A. 4/6=2/3
B. 10/16=5/8
C. 3/10=7/20
D. 23/4=69/12
C is not Proportional
Use the calorie chart on page 166.
How many calories are consumed if you eat dinner: spaghetti with meat sauce, spinach salad, two slices wheat bread, peach, spring water
695 Calories
Sarah bought a pizza that's total calorie count is 9696 calories and is cut into 8 slices. She eats two slices. How many calories did she eat?
2424 Calories
A recipe that serves 6 calls for 4 ounces of tomato sauce. Compute the amount of tomato sauce necessary to serve 8 people. Round your answer to the nearest ounce.
5 ounces
What is the ratio used when changing recipe yields?
desired servings / recipe servings
To lose a pound of fat, you must eat 3,500 calories less than you usually do. How many fewer calories a day would you need to eat to lose 3 pounds in 2 months?
175 fewer calories per day
There are 1.5 mg of iron in 8 ounces of apple juice. How many ounces would contain 100% of the RDA's recommended 18 mg?
96 ounces
2:50 P.M.