Easy the answer is B: 17 and one-third
Answer:
I know a little of this
Step-by-step explanation:
ok so what you do is for example take both of the small equation with the same variable and equal them to each other then plug in to the other
ex. 7x-31 =5x-8 solve this the plug what you get into the y in equation 4(y) +27
60 divide dos by 15 is 4, so it takes 4 minutes for each person to empty it.
25 x 4 = 100, so the answer would be 100 minutes.
3/4 just convert 1/2 to 2/4 and add 1/4
Answer:
1/2 hr 27.5
1 1/2 hr 82.5
last one is 2 hr and 110
Step-by-step explanation:
