Analyze the drawing.The beam in the mobile is balanced.The cups on the right and left are equal,which means the the items can be
removed and mobile still balances.This leaves 4 circles on the left,a cup and 1 circle on the right.Now the circle on the right cancels out the circle on the left,leaving three circles on the right.The logical conclusion is that the cup is equal to 3 circles
1 answer:
You might be interested in
Step-by-step explanation:
you need to substitute the x in (7x +2y=13) with (x=2y+11) to solve it
