Question
Xuan had 198 marbles. Seth had 23 of what Xuan had. After Xuan used some of his marbles and Seth used 12 of his marbles, Xuan had 13 as many marbles left as Seth.
  1. How many marbles did Seth have at first?
  2. How many marbles did Xuan use?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Xuan had 198 marbles. Seth had 23 of what Xuan had. After Xuan used some of his marbles and Seth used 12 of his marbles, Xuan had 13 as many marbles left as Seth.
  1. How many marbles did Seth have at first?
  2. How many marbles did Xuan use?