There are no numbers for this, thus you will have to use the quadratic formula.
Answer:
2x-6<-18
Step-by-step explanation:
Answer:
2.4 hr. = time working together
Step-by-step explanation:
Let x = time working together
x/6 = work done by Martin
x/4 = work done by Victor
Martin's part + Victor's part = 1 jog done
x/6 + x/4 = 1 Multiply thru by 12
2x + 3x = 12
5x = 12
x = 2.4 hr.
The answer is simply (1,3) just subtract 2 from 3 and 4 from 7.