Question
There were 4 times as many girls as boys in the tuck shop at first. After 9 girls left and 10 boys entered the tuck shop, there were 5 more girls than boys remaining in the tuck shop. What was the number of girls in the tuck shop at first?
4 m

Click button first when a symbol is required. X

There were 4 times as many girls as boys in the tuck shop at first. After 9 girls left and 10 boys entered the tuck shop, there were 5 more girls than boys remaining in the tuck shop. What was the number of girls in the tuck shop at first?