Kimberly has some mochi balls to give to her pupils in her class. It she gives 6 mochi balls to each pupil, she will have 2 mochi balls left. It she gives 7 mochi balls to each pupil, she will need 18 extra mochi balls.
- How many pupils does Kimberly have?
- How many mochi balls does Kimberly have?
(a)
Total number of extra mochi balls
= 2 + 18
= 20
Number of extra mochi balls for each pupil
= 7 - 6
= 1
Number of pupils that Kimberly has
= 20 ÷ 1
= 20
(b)
Number of mochi balls that Kimberly has
= 20 x 6 + 2
= 122
Answer(s): (a) 20; (b) 122