Question
Yesterday, Pierre had 89 as many black as blue balls. He sold 84 of his blue balls today. Now, he has four times as many black as blue balls. How many balls did he have altogether yesterday?
4 m

Click button first when a symbol is required. X

Yesterday, Pierre had 89 as many black as blue balls. He sold 84 of his blue balls today. Now, he has four times as many black as blue balls. How many balls did he have altogether yesterday?