Question
Min had 33 more crystals than Yoko at first. After Min bought another 15 crystals, she had four times as many crystals as Yoko. How many crystals did Min have at first?
4 m

Click button first when a symbol is required. X

Min had 33 more crystals than Yoko at first. After Min bought another 15 crystals, she had four times as many crystals as Yoko. How many crystals did Min have at first?