WebRelated math problems and questions: Represent 7494 There are 12 more than boys, and the boys represent 30% of all pupils in the class. Find how many girls are in the class. Pupils 7 There are 40 pupils in a certain class. 3/5 of the class are boys. How many are girls? In the classroom There are 30 boys and a few girls in the class. WebRelated math problems and questions: The speed of the mail train is 1370 meters per minute. Express it in miles per hour, correct to three significant figures. Use the following facts to convert this units: 1 meter = 39.37 inches, 1 mile = 1609 m, 1 hour = 60 minutes. A raindrop falls at a rate of 9.3 meters per second (m/s).
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WebThis fraction calculator performs basic and advanced fraction operations, expressions with fractions combined with integers, decimals, and mixed numbers. It also shows detailed step-by-step information about the fraction calculation procedure. The calculator helps in finding value from multiple fractions operations. WebCorrect answer: a = 89.208 USD b = 89.1 USD x = 0.1 USD Step-by-step explanation: r1 = 100%−30% = 1− 10030 = 0.7 r2 = 100%−25% = 1− 10025 = 0.75 s= 100%+8% = 1+ 1008 = 1.08 a= 118⋅ r1 ⋅ s= 118⋅ 0.7⋅ 1.08 = 89.208 USD b= 110 ⋅ r2 ⋅ s =110 ⋅ 0.75⋅ 1.08 = 10891 =89.1 = 89.1 USD b< a x= a−b = 89.208−89.1 = 0.1 USD Try another example the cabins of mackinaw
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