Question

I really need help with number 55

Answer 1

see below

Explanation:

Take the 4 lb container. Pour out rice and fill the 3 lbs container. What is left in the 4 lb container is 1 lb (4-3 =1)

Empty the 3 lbs container and put the 1lbs into it

Now measure rice into the 4 lbs container

We have 1lbs ( in the 3lbs container)

and 4 lbs ( in the 4 lbs container)

for a total of 5 bs