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Business Math Homework 3 Express the
following as fractions and
simplify: 2.45.
To convert a decimal to a fraction, write it over the appropriate power of 10 and simplify: 2.45 2 9/20 Express the following as fractions and simplify: 0.008 Write it over the appropriate power of 10 and simplify: Express the following as fractions and simplify: 420% To convert a percent to a fraction, write it over a denominator of 100. and simplify: 4 1/5 Express the following as fractions and simplify: 8% Write it over a denominator of 100 and simplify: 2/25 8 ÷ 100
Express the following as decimals:
1 27/4
To convert a mixed number to a decimal. simplify the mixed number first, if needed: 7.75 Express the following as decimals: 12 8/3 Simplify the mixed number first, if needed: 14.6 Express the following as percents: 1000/10 To convert a fraction to a percent, rewrite the fraction with a denominator of 100: 10,000% Express the following as percents: 25/8 Or convert the fraction to a decimal and shift the decimal point two places to the right: 312.5% 200 is 16% of what number? 1,250 What number is 62.5% of 192? 120 Simplify: 0.00081/0.09 0.009 Simplify: (4 · 10-2) - (2.5 · 10-3) 0.0375 Decide whether the given operation will cause the original value to increase, decrease, or stay the same: Multiply the numerator of a positive, proper fraction by 3/2. Increase Decide whether the given operation will cause the original value to increase, decrease, or stay the same: Add 1 to the numerator of a positive, prover fraction and subtract 1 from its denominator. Increase Decide whether the given operation will cause the original value to increase, decrease, or stay the same: Multiply both the numerator and denominator of a positive, proper fraction by 3 1/2. Stay the same. Decide whether the given operation will cause the original value to increase, decrease, or stay the same: Multiply a positive, proper fraction by 3/8. Decrease Decide whether the given operation will cause the original value to increase, decrease, or stay the same: Divide a positive, proper fraction by 3/13. Increase Simplify: 8(3) (x2) (3) ÷ 6x 12x 24 (x2) (3) ÷ 6x 72x2 ÷ 6x What is 7% of 50? 3.5 0.07 · 50 = What is 40% of 30? 12 0.4 · 30 = Chapter Tests 01 02 03 04 05
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Homework Chapter 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 Need A Tutor? Need Homework Help? What is 75% of 20? 15 0.75 · 20 = A stereo was marked down by 30% and sold for $84. What was the presale price of the stereo? 120 84 = (70 ÷ 100) x 84 = (7 ÷ 10) x 840 = 7x 840 ÷ 7 = A car loan is offered at 8% annual interest, compounded annually. After the first year, the interest due is $240. What is the principal on the loan? 3,000 0.8 = 240/x x is 40% of y. 50% of y is 40. 16 is what percent of x? 50 48:2x is equivalent to 144:600. 100 2x:y is equivalent to 4x: 8500. What is y? 4,250. Initially, the men and women in a room were in the ratio of 5:7. Six women leave the room. If there are 35 men in the room, how many women are left in the room? 43 Change to a decimal 25% 0.25 Change to a decimal 75% 0.75 Change to a decimal 10% 0.1 Change to a decimal. 20% 0.2 Change to a decimal. 30% 0.3 Change to a decimal. 40% 0.4 Change to a decimal. 60% 0.6 Change to a decimal. 70% 0.7 Change to a decimal. 80% 0.8 Change to a decimal. 90% 0.9 |
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