The graph shows the earnings that Xandra's apparel store 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 $3100 from July to December?
(a)
Total earnings from July to November
= 2400 + 2800 + 2800 + 3600 + 3000
= $14600
(b)
Total earnings from July to November
= 6 x 3100
= $18600
Amount that must be earned in December
= 18600 - 14600
= $4000
Answer(s): (a) $14600; (b) $4000