Over a two hour time period a snail moved 50 inches. how far is this in yards

Kathy spent 5/8 of her money on books and another 1/6 of her money on stationeries. what fraction of kathy’s money was left?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers