The answer could be 70a+21b
For the first one its 7/2 and the second one is 7/6
and u cant covert them into a proper fraction you can only covert them into a improper fracion
At least do number 3 so I can help with the rest. That ok with you?
Answer: 2. Z=5000-2713.5=$2286.5
Step-by-step explanation:
Sub y=2713.5 into z=5000-y
2 Hours
this is because one pipe takes 4 hours, and if both pipes take 2 hours, that is cutting the time in half, meaning both pipes pour the same amount and take the same time.
hope this is helpful!
