in a department store, a $40 dress is marked, "save 25%." what is the discount? what is the sale price of the dress?

Answers

Answer 1
Answer: 25%= 1/4

1/4 of 40 is 10

40 - 10= 30

$30 is the sales price.

$10 was the discount.
Answer 2
Answer: so wat you do first is 40 ×.25 which is______ then you minus- what you get from 40 


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Michael plans to buy a new car for $25,000. If he saves $1220 a month for it, in how many months will Michael be able to buy the car? Write an inequality and solve.

Answers

The inequality would be $1,200m>$25,000 and solves it would be m>20.4918 months

A model of a rectangular table for a dollhouse is 13 inches long and 8 inches wide. The original table is 52 inches long and 32 inches wide. are the model table and the original table similar figures?

Answers

Hi there, to find if they are similar figures, we have to find if they are the same ratio (fractions). 52 inches and 13 inches equal 52/13, 52÷3=4, the original table is 4 times longer than the model. Now, we have to figure out the width, 32/8 is also 4 because 32÷8=4. The original table is also 4 times wider than the model. So, the two tables are similar.

106 over 500 as a decimal number

Answers

106/500 as a decimal is: 0.212.

You can easily find the decimal of a fraction by doing long division or inserting the fraction in a calculator (which teachers usually allow their students to use a calculator even on tests... unless if the test is about long division, etc).
 
Long division is pretty hard to do without a pen and paper, but the steps to do long division are: divide the number on the right by the left number - multiply the number on the left by the top number - subtract the number on the right by the number below it - bring down, and then repeat if you can.
(106)/(500)
0.212

A percent change describing a decrease in the quantity

Answers

PERCENT DECREASE is a percent change that describes a decrease in the quantity.

Percent increase, on the other hand, is the opposite of percent decrease. It is a percent change that describes an increase in quantity.

Percent change is the amount stated in percentage form that signifies the increase or decrease in number.

Are the ratios 3/5 and 9/15 proportional?How do you know?

Answers

Yes. 5*3=15 and 3*3=9. They are proportional because if you multiply the top and the bottom of the first fraction by the same number and you get the second number they are proportional.

Bill measures the circumference of a circular fish pond to be 28 ft. What is the diameter of the fish pond, rounded to the nearest foot? Use 3.14 to approximate pi.

Answers

it would be 9 ft. using the knowledge of \pi times the diameter (\pi equals aprox. 3.14) equal the circumference of a circle, and since we know the circumference, we need to divide that by \pi to get the diameter.

equation:  28/3.14=8.913 
                 rounding that would bring it to 9 ft.