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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​
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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​

User Arun Karnati
by
8.2k points

2 Answers

4 votes

Explanation:

doing with the ratio method

25 x

10 240

x=25×240÷10

User Sadesh Kumar N
by
7.8k points
8 votes
It cost $600


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

User Jacobo Azcona
by
9.1k points
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