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First change 20% to a decimal by moving the decimal point two places to the left. So, 20% = .20 = .2 (two ...
Treena, if there was a 20% discount, then you paid 80% of the original price. Since we don't know the orginal price, we will assign it the variable x. Change 80% to a decimal. The equation would be:.8x = 276 To get the variable by itself, divide each side by .8..8x/.8 = 276/.8. x = 345. The original price of the suit was $345. Hope this is helpful.
Quanny H. asked • 09/12/18 If 20% of the substance disappears in 10 years, what is its half-life? (Round your answer to two
Every percent can be changed into a decimal or fraction. The problem 20% of 10 is a multiplication problem because you want something of something. Note: 20% = 0.20 = 20/100 = 1/5. 0.20 x 10 = 2 revisit the rule for multiplying decimal or. 20/ 100 x 10 / 1 = 200/100 = 2 revisit the rule for multiplying fractions or
125/100 is easier to see as a decimal. 125/100 = 1 and 25/100. "25 hundredths" is written down exactly as it is said 0.25, with the digit 5 in the hundredths place of the decimal. So 1 and 25 hundredths is 1.25.
(a) Find the probability that this shipment is accepted if 10% of the total shipment is defective. (Use 3 decimal places.) (b) Find the probability that this shipment is not accepted if 20% of the total shipment is defective. (Use 3 decimal places.)
computer purchased for $1,650 loses 19% of its value every year. The computer's value can be modeled by the function v(t)=a⋅bt, where v is the dollar value and t the number of years since purchase.
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asked • 03/25/20 After 3 days a sample of radon-222 has decayed to 58% of its original amount. How long will it take the sample to decay to 30% of its original amount?
asked • 11/15/20 Find the test statistic. ... Find the test statistic, rounded to two decimal places ...