muzammin muzammin

18-02-2021
Mathematics

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The cost of a pearl $C is directly proportional to the square of its mass , m grams. given that a pearl of mass 10g cost $240
find the cost of a pearl of mass 25g

Respuesta :

18-02-2021

Step-by-step explanation:

doing with the ratio method

25 x

10 240

x=25×240÷10

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emily556 emily556

18-02-2021

It cost $600

10gx2=480
+5g= 120
480+120=600

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