Box A contained 256 marbles. Box B contained 84 marbles. Peter added an equal number of marbles to each box. Box A then contained twice as many marbles as Box B. How many marbles did Peter add to each box?
2 answers
Peter added 84 marbles to each box.
AAAaannndd the bot gets it wrong yet again!
256+x = 2(84+x)
x=88
256+x = 2(84+x)
x=88