Question
Howard had 10% as many erasers as Jack. After Howard and Jack bought another 10 erasers and 5 erasers respectively, Howard had 80% less erasers than Jack. How many erasers did Jack have at first?
4 m

Click button first when a symbol is required. X

Howard had 10% as many erasers as Jack. After Howard and Jack bought another 10 erasers and 5 erasers respectively, Howard had 80% less erasers than Jack. How many erasers did Jack have at first?