A family needs to cross a river in a small raft. Father weighs 90kg, mother weighs 80kg, son
weighs 60kg, daughter weighs 40kg, and they have
a 20kg bag. The raft cannot bear a load heavier
than 100kg. How can they all get to the other side
with their bag?

they drown and realize they are sad poor people from a third world country with no bridges

Step-by-step explanation:

so basically you can take more than one trip you can take the mother and the bag at the same time

Step-by-step explanation:

and then you can get the daughter in the son at the same time and then for the final trip you take the father by himself

y-1700=200(x+4)

step-by-step explanation:

200(x+4) is 200x + 800 she is saving 200 per week x is the weeks and the -1700 is. us that’s howmuch she already had