Mandla and Kefilwe want to decrease their carbon footprint they want to get to school by any means that does not use petrol Mandla walks x km to school while Kefilwe cycles 7km Together they travel a distance of 15km how far does Mandla have to walk to school each day

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

Carson has only $20 bills and $10 bill in her wallet. the total value of the bills is $50. she has 1 more $20 bill than $10 bills. how many each kind of bill does carson have? a. one $20 and two $10 bills b. two $20 bills and one $10 bill c. one $20 bills and three $10 bills d. two $20 bills and two $10 bills

Measures of the angle of r, 31 s (x+4) t (3x+9)