A baker is using a cookie recipe that call for 3 ¼ cups of flour to yield 30 cookies. How much flour will the baker need to make 16 cookies using the same recipe?
A. 1 11/15 cups
B. 5 8/15 cups
C. 10 13/15 cups
D. 3 ¾ cups
Explanation
We are asked to find the number of cups of flour, which requires the concept of proportions.
If we let x to represent the number of cups of flour to make 16 cookies. Then
Solve the value of x by cross-multiplying
Convert the mixed fraction into improper fraction in order to carry out multiplication
The baker needs 26/15 cups of flour needed to make 16 cookies. This is equal to 1 11/15 cups.
Therefore, the Correct Answer is A.
More Questions on TEAS 7 Math
-
Q #1: Which of the following is the best approximation of 4 times the positive cube root of 23?
A. 12.7
B. 11.4
C. 16.2
D. 96.7
Answer Explanation
-
Q #2: A bag contains three green balls, four red balls, and six yellow balls. If one ball is randomly selected from the ball, which of the following is the probability that the ball is yellow?
A. 10/13
B. 4/13
C. 3/13
D. 6/13
Answer Explanation
-
Q #3: Which of the following is the decimal equivalent of 3/8?
A. 375
B. 3.75
C. 37.5
D. 0.375
Answer Explanation
-
Q #4: Which of the following is the total number of whole boxes that measure 0.4 ft * 0.4 ft * 0.4 ft that can be stored in a room that measures 8 ft * 8 ft * 8 ft, if the size of the boxes cannot be altered?
A. 4000
B. 800
C. 400
D. 8,000
Answer Explanation
-
Q #5: How many milliliters are there in 2.5 liters?
A. 25000
B. 25
C. 250
D. 2500
Answer Explanation
we use the relation 1 L=1000 mL to convert 0.5 L to mL as follows.
So, 2.5L is 2500 mL.
-
Q #6: Which of the following is the decimal equivalent of 3/8?
A. 375
B. 3.75
C. 37.5
D. 0.375
Answer Explanation
-
Q #7: Which of the following is the decimal form of 34.9%?
A. 3,490
B. 3.49
C. 0.349
D. 34.9
Answer Explanation
To convert a percentage to a decimal, divide the given percentage by 100. So, 34.9% becomes:
The decimal form of 34.9% is 0.349.
-
Q #8: To determine the cost of a meal, the restaurant considers the size of the meal, the number of toppings, and the amount of main ingredient. Which of the following is the dependent variable?
A. Amount of meal
B. Main ingredient
C. Cost of the meal
D. Number of toppings
Answer Explanation
We are asked to find the dependent variable from the given scenario. A dependent variable is one that changes to the change in an independent variable. In our problem, the cost of the meal will vary depending on the size of the meal, number of toppings, and amount of main ingredient. Therefore, cost is the dependent variable.
-
Q #9: A motor company’s stock price was $33.20 on Tuesday. On Wednesday, the price went up $2.45. On Thursday, the price decreased from Wednesday’s price by $1.50. On Friday, the price went up $1.62 from Thursday’s price. Which of the following was the final price on Friday?
A. $35.65
B. $34.15
C. $35.77
D. $34.82
Answer Explanation
-
Q #10: A macaroni and cheese recipe calls for 4/7 cup of flour for every 2 1/5 cup of milk. To make a bigger batch, the chef uses 4 cups of flour. Which of the following would be the amount of milk needed for the bigger batch?
A. 15 1/5 cups
B. 15 2/5
C. 12 8/15 cups
D. 15 cups
Answer Explanation
To find the required number of cups of milk, we need to set up a proportion equation. If we let x be the required number of cups and cups of flour as numerator and cups of milk in denominator, then the result proportion becomes:
We cannot multiply mixed fractions with any number, so we change 2 1/5 into an improper fraction as
The proportion equation becomes
Cross-multiply to solve for x
As a mixed fraction, 77/5 becomes 15 2/5. Therefore, to make a bigger batch, the chef needs 15 2/5 cups of milk.
