Awinery has a vat with two pipes leading to it. the inlet pipe can fill the vat in 44 ? hours, while the outlet pipe can empty it in 77 hours. how long will it take to fill the vat if both pipes are left? open?

Runner ran 1 4/5 miles on monday and 6 3/10 on tuesday. how many times her monday’s distance was her tuesdays distance

At 6 1/2 cents per pound of string beans how much does 7 pounds cost

The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?