Diana has some mochi balls to give to her pupils in her class. It she gives 3 mochi balls to each pupil, she will have 4 mochi balls left. It she gives 7 mochi balls to each pupil, she will need 12 extra mochi balls.
- How many pupils does Diana have?
- How many mochi balls does Diana have?
(a)
Total number of extra mochi balls
= 4 + 12
= 16
Number of extra mochi balls for each pupil
= 7 - 3
= 4
Number of pupils that Diana has
= 16 ÷ 4
= 4
(b)
Number of mochi balls that Diana has
= 4 x 3 + 4
= 16
Answer(s): (a) 4; (b) 16