Question
Shiyun had four times as many beads as erasers at first. She removed 6 beads and 3 erasers each time. In the end, there were 16 beads and 1 eraser left. How many beads and erasers did Shiyun have at first?
4 m

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Shiyun had four times as many beads as erasers at first. She removed 6 beads and 3 erasers each time. In the end, there were 16 beads and 1 eraser left. How many beads and erasers did Shiyun have at first?