Jemer lost his ball and decided to buy a new one. the new ball cost $300. which is three times the price of his old ball. how much did he pay for the old ball.

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.

you are saying it as if a fact, not a question, but yes, you would be correct? ; )

step-by-step explanation:

51

step-by-step explanation:

73-22=51 the   mass number minus the amount of protons gives you the amount of neutrons