Diana bought 3 kg of pineapples at $
d per kg and 2 kg of avocados at $2
d per kg.
- Find the amount that she paid for the fruits in terms of d.
- If d = 5, how much change did Mrs Diana receive if she paid the fruit seller with a $100 note?
(a)
Amount paid for the pineapples
= 3 x
d = $3
d Amount paid for the avocados
= 2 x 2
d = $4
d Total amount paid for the fruits
= 3
d + 4
d = $7
d (b)
Amount that Mrs Diana paid for the fruits
= 7
d = 7 x 5
= $35
Amount of change that Mrs Diana received
= 100 - 35
= $65
Answer(s): (a) $7
d ; (b) $65