Question
Yoko has some marbles in a bag. The number of marbles is less than 20. If she gives 3 marbles to each pupil, she will have none left. If she gives 7 marbles to each pupil, she will need 16 more marbles.
  1. How many pupils does Yoko have?
  2. How many marbles are there in the bag?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Yoko has some marbles in a bag. The number of marbles is less than 20. If she gives 3 marbles to each pupil, she will have none left. If she gives 7 marbles to each pupil, she will need 16 more marbles.
  1. How many pupils does Yoko have?
  2. How many marbles are there in the bag?