Answer:
Option A
2.3a + 4.3c
Explanation:
Amount of almonds bought by Chris = 1.6 a
Amount of almonds bought by Emily = 0.7 a
Total amount of almonds bought = 1.6a + 0.7a = 2.3 a
Amount of Cashews bought by Chris = 2.8c
Amount of Cashews bought by Emily = 1.5c
Total amount of Cashews bought = 2.8c + 1.5c = 4.3c
Hence, total cost paid for the nuts are = 2.3a + 4.3c (Ans)