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Cube Numbers

increase 835 ...

Question

increase 835 in the ratio 7:5

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Solution

Dear Student,

$I n c r e a s e i n t h e r a t i o 7 : 5 i m p l i e s t h a t : N e w v a l u e : O l d v a l u e = 7 : 5 L e t t h e n e w v a l u e b e x, S o, x : 835 = 7 : 5 \frac{x}{835} = \frac{7}{5} x = 835 \times \frac{7}{5} = 167 \times 7 = 1169 S o, t h e n e w v a l u e i s 1169$
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