Question
Irene, Gem and Gillian had a collection of buttons. 13 of Irene's buttons is equal to 23 of Gem's buttons. Gem had 18 buttons fewer than Gillian. If they had 90 buttons altogether, how many buttons did Irene have?
4 m

Click button first when a symbol is required. X

Irene, Gem and Gillian had a collection of buttons. 13 of Irene's buttons is equal to 23 of Gem's buttons. Gem had 18 buttons fewer than Gillian. If they had 90 buttons altogether, how many buttons did Irene have?