The graph shows the earnings that Xandra's bookstore made from July to November
- What was the total earnings from July to November?
- How much money must be earned in December to have average earnings of $4800 from July to December?
(a)
Total earnings from July to November
= 2800 + 2800 + 2400 + 4000 + 2800
= $14800
(b)
Total earnings from July to November
= 6 x 4800
= $28800
Amount that must be earned in December
= 28800 - 14800
= $14000
Answer(s): (a) $14800; (b) $14000