Question
Jen has some marbles in a bag. The number of marbles is less than 20. If she gives 4 marbles to each pupil, she will have none left. If she gives 9 marbles to each pupil, she will need 20 more marbles.
  1. How many pupils does Jen 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

Jen has some marbles in a bag. The number of marbles is less than 20. If she gives 4 marbles to each pupil, she will have none left. If she gives 9 marbles to each pupil, she will need 20 more marbles.
  1. How many pupils does Jen have?
  2. How many marbles are there in the bag?