Question
There were 210 students at a parade square at first. After 37 of the girls and 12 of the boys left, there were still 30 more boys than girls at the parade square. How many boys were there at first?
5 m

Click button first when a symbol is required. X

There were 210 students at a parade square at first. After 37 of the girls and 12 of the boys left, there were still 30 more boys than girls at the parade square. How many boys were there at first?