On a certain day the exchange rate was 60 u. s dollars for 50 euro. how many u. s dollars were 70 euro worth that day?

What is the area of mnp? 40 m2 60 m2 68 m2 127.5 m2

Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?

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?