3 years ago

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

Mathematics

2 answers:

yulyashka [42]3 years ago

5 0

Step-by-step explanation:

doing with the ratio method

25 x

10 240

x=25×240÷10

tangare [24]3 years ago

3 0

It cost $600

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

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