Brett has a \$30 online gift voucher. He plans to buy as many books as he can. The cost of each book is \$4. There is also a single shipping charge of \$2. How many books can he afford without spending...

A store is having a sale on trail mix and jelly beans. For 5 pounds of trail mix and 3 pounds of jelly beans, the total cost is \$20 . For 2 pounds of trail mix...

Jason rolls a dice once, if he gets a number greater than 5, he will roll the two dices again, if the sum of the two dices is greater than the previous number he got, he wins. What is the probability...

Jonathan plays a game where he first roll one dice, followed by two dices then lastly, three dices. If he gets a smaller sum every time, he wins the game. Find the probability he wins the game.

Parents set up a trust fund for their children last year. Part of it is earning 77% simple interest per year while the rest of it is earning 55% simple interest per year. They placed \$40004000 in...

I have been trying for the past few days to figure this out but I can't even figure out how to write the equation.

A boat traveled 210 miles downstream and back. The trip downstream took 10 hours. The trip back took 70 hours. What is the speed of the boat in still water? What is the speed of the current?