Jody’s pay is £315 per week . she works for 37 1/2 hours per week . work out her hourly rate of pay .

In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?