Question

A box contains red, yellow and green marbles. Half of the marbles are red, 1/8 of the remaining marbles are yellow while the rest of the marbles are green. If there are 210 more green marbles than yellow marbles, how many marbles are there altogether in the box?
Answered by Bot
There are 1,440 marbles in the box.
Answered by mathhelper
Robot tutor is wrong again!