Find the two-digit number satisfying the following two conditions. 1) four times the units digit is six less than twice the tens digit. 2) the number is nine less than three times the number obtained by reversing the digits. will be awarded 50 points!

If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?

Solve this problem! extra ! 3025/5.5 = a/90.75 / = fraction

Captain umaima has a ship, the h.m.s. khan. the ship is two furlongs from the dread pirate nadia and her merciless band of thieves. the captain has probability 3/7 of hitting the pirate ship. the pirate only has one good eye, so she hits the captain's ship with probability 2/5. if both fire their cannons at the same time, what is the probability that the captain hits the pirate ship, but the pirate misses.