So the proportion would go as follows
5.5. 7.5
=
4.5. 60
To solve this you just cross muliply and divide.
I hope this helps you
It would take them 1 hour and 30 min to get across, and 2 hours to cross back. In total it would take them 3 hours and 30 min to complete the trip.
6/8. multiply 3/4 by 2 and there is your answer.
Answer:
the 1. is y = (5/4)x + 6 and 2 . is y = 20x+10, so you are right, both of them correct
