Mei bought some cookies and gave half of them to Wei. Wei bought some jellybeans and gave half of them to Mei. Mei ate 8 jellybeans and Wei ate 12 cookies. The ratio of Mei's jellybeans to cookies becomes 1:6 and the ratio of Wei's jellybeans to cookies becomes 1:4. How many jellybeans did Wei buy?
Opening the drawing…
MathBrush is being tested with a few parent groups, and every solution on the site is open to them. If you were given a code, it goes in once and this device remembers it. 65 worked examples are free to everyone without one.