NEED HELP ASAP PLS !!!It is stated that two quantities vary inversely if one changes by the inverse ratio of the second. So, wha
1 answer:
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Answer:
The cost of the old ball was $100.
Step-by-step explanation:
The cost of the new ball = $300
The new ball has three times the price of his old ball.
So, let the price of the old ball be = x
As per situation, we get the equation:
Dividing both sides by 3:
=> x = 100
Hence, the cost of the old ball was $100.