Risa bought 3 kg of papayas at $
e per kg and 2 kg of mangosteens at $3
e per kg.
- Find the amount that she paid for the fruits in terms of e.
- If e = 5, how much change did Mrs Risa receive if she paid the fruit seller with a $100 note?
(a)
Amount paid for the papayas
= 3 x
e = $3
e Amount paid for the mangosteens
= 2 x 3
e = $6
e Total amount paid for the fruits
= 3
e + 6
e = $9
e (b)
Amount that Mrs Risa paid for the fruits
= 9
e = 9 x 5
= $45
Amount of change that Mrs Risa received
= 100 - 45
= $55
Answer(s): (a) $9
e ; (b) $55