Which is the largest expression?
1:20
1:222
1:2
1:22
Correct Answer : C
To determine which expression is the largest, you can consider each ratio or fraction and evaluate its decimal equivalent or compare its relative value. Each expression lists a ratio of 1 to another number, so essentially, we're looking at fractions:
- A
- B
- C
- D
Among these, the largest fraction is the one with the smallest denominator, because the whole (1 in this case) is divided into fewer parts, making each part larger. Therefore, the largest fraction, and thus the largest expression, is: C 1:2
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Related Questions
Correct Answer is A
Explanation
To add the mixed numbers 
and 
, First add the whole numbers part separately and the fraction part separately
5 + 7 = 12
Now convert the fractions part with a common denominator and then perform the addition.
- Find a common denominator: The least common multiple (LCM) of 4 and 3 is 12. So, convert each fraction:
= 
= 
= 
= 
- Add the two fractions:
+ = 
= 
- Now combine the whole number part with the fraction part
12 + = 
Thus, the answer is A 12 7/12.
Correct Answer is A
Explanation
To find the cost of 15 books when 5 books cost $300, first determine the cost of one book by dividing the total cost by the number of books:
Costofonebook=$300 ÷ 5= $60
Next, calculate the cost for 15 books by multiplying the cost per book by the number of books:
Costfor15books=15×$60=$900
Therefore, 15 books will cost 900 dollars.
Correct Answer is D
Explanation
To find out how many fluid ounces are in 2gallons, first convert 2gallons to a single unit.
Since 1 gallon is equal to 128 fluid ounces, calculate the total number of ounces in 2 gallons as follows:
Convert 2gallons to an improper fraction:
2= 
gallons
Multiply by the number of ounces in one gallon:
× 128oz/gallon
= 
=320oz
The correct answer is: D 320 oz
Correct Answer is B
Explanation
To calculate the total number of legs in the group, we need to consider both the legs of the girls and the legs of the cats.
Each girl has 2 legs. Since there are 7 girls:
7×2=14legsfromthegirls
Each cat has 4 legs. Since each girl has 7 cats, there are a total of:
7×7=49cats.
Thus, the total number of legs for the cats is:
49×4=196legsfromthecats.
Adding the number of legs from the girls and the cats gives:
14+196=210legsintotal
The correct answer is B 210.
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