Jane bought 2 kg of avocados at $
t per kg and 4 kg of mangosteens at $2
t per kg.
- Find the amount that she paid for the fruits in terms of t.
- If t = 7, how much change did Mrs Jane receive if she paid the fruit seller with a $100 note?
(a)
Amount paid for the avocados
= 2 x
t = $2
t Amount paid for the mangosteens
= 4 x 2
t = $8
t Total amount paid for the fruits
= 2
t + 8
t = $10
t (b)
Amount that Mrs Jane paid for the fruits
= 10
t = 10 x 7
= $70
Amount of change that Mrs Jane received
= 100 - 70
= $30
Answer(s): (a) $10
t ; (b) $30