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