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What percent of 42 is 2.31?
2.31/42 x 100 = 5.5 percent.
28 percent of what number is 42?
150 (42/0.28) To answer a problem such as this use the formula: a % #/100 = is/of (a % # over '100' b/c the most you can have is 100%) [equation reads, "a percentage number over 100 equals 'is' over 'of'"] So in your case it would be: 1) 28/100 = 42/x (then you cross multiply which gives you): [you have the 'is' as your original question states "is 42." You are trying to find the 'of'] 2) 28x = 4200 (then divide 4200 by 28 to solve for x) x=150 Then to check your answer, plug 150 into the x in the original equation and make sure both sides equal each other. So: 28/100= .28 & 42/150= .28
A secretary typed 59 words per minute for 59 minutes 42 wpm for 42 minutes and 73 wpm for 100 minutes What was her average typing speed?
62.4 words per minuteCalculationWords typed = (59 x 59) + (42 x 42) + (73 x 100) = 3481+1764+7300 = 12545 wordsTime elapsed = 59 + 42 + 100 = 201 minutes12545 / 201 = 62.41293532338
What is 60 percent of 4200?
60% can be thought of as 60/100. So to find 60% of 4200, use 60/100 x 4200. Hundreds cancel out, and you have 60 x 42. Therefore, the answer is 252.
What is 42 hundredths less than 5.983?
5.983 - 42/100 = 5.5635.983 - 42/100 = 5.5635.983 - 42/100 = 5.5635.983 - 42/100 = 5.563
