Lucy bought 5 kg of papayas at $
b per kg and 4 kg of pomegranates at $3
b per kg.
- Find the amount that she paid for the fruits in terms of b.
- If b = 5, how much change did Mrs Lucy receive if she paid the fruit seller with a $100 note?
(a)
Amount paid for the papayas
= 5 x
b = $5
b Amount paid for the pomegranates
= 4 x 3
b = $12
b Total amount paid for the fruits
= 5
b + 12
b = $17
b (b)
Amount that Mrs Lucy paid for the fruits
= 17
b = 17 x 5
= $85
Amount of change that Mrs Lucy received
= 100 - 85
= $15
Answer(s): (a) $17
b ; (b) $15