SSAT Middle Level Math : Percentage

Study concepts, example questions & explanations for SSAT Middle Level Math

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Example Questions

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Example Question #5 :How To Work With Percentages

The sales tax rate for a particular locality is 9%. How much will be paidafter taxfor $154.92 worth of groceries?

Possible Answers:

Correct answer:

Explanation:

把杂货税前的价格——美元154.92 - by the decimal equivalent of 9% , which is 0.09. Round this tax to the nearest hundredth (cents), then add to the price of the groceries.

Tax:

Price after tax:

Example Question #1 :Percentage

What is 250% of 750?

Possible Answers:

Correct answer:

Explanation:

Taking 250% of a number is the same as multiplying that number by 2.5. We therefore take the product:

Example Question #1 :Percentage

The product of two whole numbers is 12. Their difference could be

Possible Answers:

Correct answer:

Explanation:

The first thing to do is to determine what two numbers multiply to give you 12.

1 and 12

2 and 6

3.and 4

Now find the difference between each of those pairs.

The difference could be 1, 4, or 11. Only 4 is an answer choice.

Example Question #3 :Percentage

What is 30% of 150?

Possible Answers:

Correct answer:

Explanation:

One way to go about solving this problem is to convert the percent into a decimal and multiply your whole number by that in order to get your answer. When converting a percent into a decimal, move the decimal point two spaces to the left:

3.0% = 0.30

Then, multiply this number times 150:

Your answer is.

Example Question #4 :Percentage

Ifisof, what isof?

Possible Answers:

Correct answer:

Explanation:

We can solve forwith the algebraic equation:

We can then calculateof:

Example Question #5 :Percentage

What isof?

Possible Answers:

Correct answer:

Explanation:

We can converttoor. We can then calculate.

Example Question #6 :How To Work With Percentages

Susan has a coupon for 10% off any one item at her favorite department store. There is also a storewide sale of 50% off all purchases.

If Susan wants to by a shirt originally priced at $42, how much will she pay?

Possible Answers:

$37.80

$21.00

$20.00

$18.90

$16.50

Correct answer:

$18.90

Explanation:

The storewide sale discounts the shirt by 50%:

Susan also has the 10% off coupon, so she's really paying 90% of the cost of the shirt:

Example Question #6 :Percentage

What isof?

Possible Answers:

Correct answer:

Explanation:

ofcan be rewritten as

Example Question #1 :如何找到和Percentag整体的一部分吗e

What isof?

Possible Answers:

Correct answer:

Explanation:

ofis equal to:

Cross-cancel:

Example Question #8 :Percentage

What is 8,000% of 9,000?

Possible Answers:

Correct answer:

Explanation:

Taking 8,000%, as a decimal, is equivalent to multiplying it by, so 8,000% of 9,000 is equivalent to

.

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