Answer:uhhhhh 300
Step-by-step explanation:
I don’t really need to explain bc all u need to do is take the 80 and 4 away and u have only 300
f = (f1 f2) / (f1 + f2)
f(f1 + f2) = f1 f2
f f 1 + f f 2 = f1 f 2
f1 f2 - f f2 = f f1
f2 (f1 - f) = f f1
f2 = (f f1) / (f1 - f) <==== solution
You need to do 14 divided 3/12 which gives you the cost per pound
Answer:
option 3: 3(10+5) = 30+15
Step-by-step explanation:
The answer is -8. Just plug in the options for x and add both up to get the full length of the line which is 15