The ratio of boys to girls in ms. smith's class is 3 to 4
if there is 12 boys, how many girls are there

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?

Travis and paula went to lunch. travis ordered a sandwich for $7.50 and paula ordered a burger for $5.25.after lunch, they left a 15% tip for the waiter. how many money did they spend altogether?

Einstein office equipment has a rental plan for office machines. a fax machine that lists for $722.98 can be rented for 22% of the price annually. the state imposes a usage charge of 3.2%. if stephen hawking travel decides to rent the fax machine, what will its total monthly rental charge be?