Coin collector bought a set of coins for $350, then sold the set for $700, making a profit of $50 per coin.. how many coins were in the set?

7 coins were there in the set.

Step-by-step explanation:

coin bought price =350 dollar

coin sale price=700 dollar

profit=sale price - bought price

profit=700-350=350 dollar

profit per coin =50

Number of coins=?

Number of coins=

Number of coins=

Number of coins=7

Answer

there would only be 50 odd numbers between 1 and 100 so therefor there would be 50 even so that would only be 50 odd numbers.

take the logarithm of both sides (the base of the log doesn't matter):

apply the exponent property - this says that :

distribute the log terms on both sides:

group like terms together:

divide through both sides by the coefficient on :

you can do some additional rewriting here using the properties of the logarithm to simplify things if you like: