Zara had a total of 13 notes in her handbag. They were $2 and $10 notes.
- What could be the smallest possible amount of money she had in her handbag?
- What could be the largest possible amount of money she had in her handbag?
(a)
Total number of notes = 13
Smallest possible amount = 12 are $2 notes and 1 is $10 note
Smallest possible amount
= 12 x 2 + 10 x 1
= $34
(b)
Largest possible amount = 12 are $10 notes and 1 is $2 note
Largest possible amount
= 12 x 10 + 1 x 2
= $122
Answer(s): (a) $34; (b) $122