HSPT Math : Decimals
Study concepts, example questions & explanations for HSPT Math
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Example Questions
Example Question #11 : Decimals
A watch originally cost $55.00. If it is on sale for 20% off, what is the sale price of the watch?
To solve:
First, find what is 20% of 55 by multiplying:
Then, subtract 20% (11) from the original price:
The final sale price will be $44.00.
Example Question #2 : How To Find Percentage
Which is largest?
a. 30% of 150
b. 20% of 300
c. 40% of 60
d. 10% of 400
To solve:
First find the corresponding percentage of each multiple choice answer,
a)
b)
c)
d)
Then, compare the amounts and select which amount is the largest:
b) 60
Example Question #12 : Decimals
How do you write 
15%
25%
20%
5%
50%
20%
Example Question #3 : Percentage
Andrew has completed 80% of the race. If the race is 5000 meters, how far along is Andrew?
Multiply the length of the race by the percentage accomplished by Andrew:
Answer: Andrew has completed 4000 meters of the race.
Example Question #671 : Numbers And Operations
Which is less?
a. 60% of 10
b. 20% of 40
c. 30% of 20
d. 10% of 50
Find the amounts by multiplying each number to the percentage rate:
Compare the amounts to find the least. The answer is D.
Example Question #13 : Decimals
A round trip flight is on sale for $425.00. If the flight originally costs $500.00, what percentage was it reduced by?
Subtract the sale price from the original price:
Divide that amount by the original price to find the percentage of the sale.
Answer: The flight was reduced by 15%.
Example Question #2 : How To Find Percentage
Anita is sewing a quilt made of 120 patches. She has sewn together 84 patches already. What percentage of the quilt has Anita sewn?
Divide 84 by the entire amount of patches 120 to find the percentage completed.
The answer is Anita has completed 70% of the quilt.
Example Question #122 : Concepts
Phil filled up 25 balloons for a party. By the end of the night, only 15 balloons were left; the rest had popped. What percentage of balloons popped throughout the party?
Subtract 
Then, divide
The answer: 40% of the balloons popped.
Example Question #14 : Decimals
A pair of sneakers is on sale for 20% off the original price of $120.00. What is the sale price of the sneakers?
First, multiply 120 by 0.20.
Subtract that amount from the original price:
Answer: The sneaker's sale price is $96.00
Example Question #4 : How To Find Percentage
Carolina needs to complete a 600-word essay for a test she is taking. If she has already written 445 words, what percentage of the essay has she completed? (Round to the nearest percent.)
Divide the number of words completed by the number of words needed:
Answer: Carolina has completed 74% of the essay.
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