Ricky needs 3 1/4 cups of sugar to make candy. he already has 2 1/2 cups. how many more cups of sugar does he need?
all i personally need to know is if i need to add or subtract. so for ex. if you tell me to add, that won't be giving away the total answer because i still need to solve it.

What does x = in this equation x+3+2x=x+5

Tim has obtained a 3/27 balloon mortgage. after the initial period, he decided to refinance the balloon payment with a new 30-year mortgage. how many years will he be paying for his mortgage in total?

There are a total sales of 2,000 dollars on monday on tuesday sales dropped 10% on wednesday sales dropped another 20% compared with tuesday from wednesday to thursday sales increases by an equal amount to 25% of monday total sales what is the net change in dollars on total sales from monday to tuesday