WebbThe number of students in 3 classes is in the ratio 2 : 3 : 4. If 12 students are increased in each class this ratio changes to 8 : 11 : 14. The total number of students in the three classes in the beginning was A. 162. B. 108. C. 96. D. 54 WebbIf x: y = 3: 5,find the ratio 3 x + 4 y: 8 x + 5 y. 2. If x: y = 8: 9 find the ratio (7 x − 4 y): 3 x + 2 y 3. If two numbers are in the ratio 6: 13 and their l.c.m. is 312, find the numbers. 4. What should be added to each term of the ratio 7: 13 so that the ratio becomes 2: 3
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Webb9 apr. 2024 · In this example, we are sharing £50 in the ratio 2:3, using steps. Step 1 is to find the total number of parts in our ratio. 2 + 3 = 5. Step 2 is to find the value of one part by dividing the amount by the total number of parts. £50 ÷ 5 = £10. Webb26 juli 2024 · 2. Divide the total amount by the number of parts: £280 ÷ 7 = £40 Each part is worth £40 3. Multiply by the ratio to find each person’s share: 5 × £40 = £200 … frost with fire
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Webb16 sep. 2024 · In mathematics, a ratio is a comparison of two or more numbers that indicates their sizes in relation to each other. A ratio compares two quantities by division, with the dividend or number being divided termed the antecedent and the divisor or number that is dividing termed the consequent . Example: you have polled a group of 20 people … Webb2 juni 2015 · We can thus replace g in the equation : b + 2b 3 = 20 We want to put on the same denominator : 3b 3 + 2b 3 = 20 5b 3 = 20 5b = 60 ( we multiply by 3 on each side ) b = 12 ( we divide by 5 on each side ) We can thus now find g : b + g = 20 12 +g = 20 g = 20 − 12 ( we substract 12 on each side ) g = 8 There are thus 12 boys and 8 girls in the class Webbwhat does a value shared in the ratio 2:3 mean? this means that there are 5 parts to share out altogether. (2+3=5) So you take the value you wish to share and divide it by 5. once … gianno caldwell wife