How many solutions are there to solve 3m-10=2(4m-5) and how

Carl wants to buy a television that cost $500 including taxes. to pay for television he will use a payment plan that requires him to make a down payment of $125 and then pay $70.50 each month for six months what is the percent increase from the original cast of the television to the cost of the television using a payment plan.

If 25% of y is 30, what is 60% of y?

What expression is equivalent to log3(x+4)