balance:
1kg+1B=2B
1kg=(2-1)B so one B is 1kg.
On one side of a scale there is a 1-kg weight and half of a brick. On the other side there is one full brick. The scale is balanced. How many kg does the brick weigh? Try to present at least 2 methods to solving this problem.
How does this problem help to understand equality concept?
1 answer
1 answer