Question
Bobby had 10% as many pens as Eric. After Bobby and Eric bought another 10 pens and 4 pens respectively, Bobby had 50% less pens than Eric. How many pens did Eric have at first?
4 m

Click button first when a symbol is required. X

Bobby had 10% as many pens as Eric. After Bobby and Eric bought another 10 pens and 4 pens respectively, Bobby had 50% less pens than Eric. How many pens did Eric have at first?