Respuesta :

|| Question ||

John purchased 24 chocolates for Rs.96. How many chocolates can be purchased for Rs.72?

|| Answer ||

John purchased 24 chocolates = Rs.96.

Chocolates can be purchased for Rs.72 = x

[tex] \frac{24}{96} = \frac{x}{72} [/tex]

24:96 = x:72

Means = Extreams

96 × x = 24 × 72

[tex]x = \frac{24 \times 72}{96} [/tex]

( 12 × 2 = 24, 12 × 8 = 96 )

[tex]x = \frac{2 \times 72}{8} [/tex]

(8 × 1 = 8, 8 × 9 = 72)

[tex]x = \frac{2 \times 9}{1} [/tex]

[tex]x = 2 \times 9[/tex]

[tex]x = 18[/tex]

Therefore, 18 chocolates can be purchased for Rs.72

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