Tammy had a total of 9 notes in her wallet. They were $2 and $5 notes.
- What could be the smallest possible amount of money she had in her wallet?
- What could be the largest possible amount of money she had in her wallet?
(a)
Total number of notes = 9
Smallest possible amount = 8 are $2 notes and 1 is $5 note
Smallest possible amount
= 8 x 2 + 5 x 1
= $21
(b)
Largest possible amount = 8 are $5 notes and 1 is $2 note
Largest possible amount
= 8 x 5 + 1 x 2
= $42
Answer(s): (a) $21; (b) $42