Cathy bought 2 kg of mangosteens at $
q per kg and 4 kg of pomegranates at $3
q per kg.
- Find the amount that she paid for the fruits in terms of q.
- If q = 7, how much change did Mrs Cathy receive if she paid the fruit seller with a $100 note?
(a)
Amount paid for the mangosteens
= 2 x
q = $2
q Amount paid for the pomegranates
= 4 x 3
q = $12
q Total amount paid for the fruits
= 2
q + 12
q = $14
q (b)
Amount that Mrs Cathy paid for the fruits
= 14
q = 14 x 7
= $98
Amount of change that Mrs Cathy received
= 100 - 98
= $2
Answer(s): (a) $14
q ; (b) $2