Jaslyn 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 8 marbles to each pupil, she will need 16 more marbles.
- How many pupils does Jaslyn have?
- How many marbles are there in the bag?
(a)
Total extra number of marbles that Jaslyn will need = 16
Number of extra marbles that Jaslyn will give to each pupil
= 8 - 4
= 4
Number of pupils that Jaslyn has
= 16 ÷ 4
= 4
(b)
Number of marbles that Jaslyn has
= 4 x 4
= 16
Answer(s): (a) 4; (b) 16