Kathy spent $19 at a shop. She took out some ten-dollar notes and two-dollar notes from her purse to pay for the items at the cashier. She received $1 change from the cashier.
- How much money did Kathy take out from her purse?
- How many possible number of ten-dollar notes and two-dollar notes did she take out from her purse?
(a)
Amount that Kathy took out from her purse
= 19 + 1
= $20
(b)
Possible number of ten-dollar and two-dollar notes:
10, 2, 2, 2, 2, 2
Number of possible number of ten-dollar notes and two-dollar notes: 1
Answer(s): (a) $20; (b) 1