The graph shows the earnings that Irene's stationery 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 $4300 from July to December?
(a)
Total earnings from July to November
= 2000 + 3400 + 2600 + 2200 + 2000
= $12200
(b)
Total earnings from July to November
= 6 x 4300
= $25800
Amount that must be earned in December
= 25800 - 12200
= $13600
Answer(s): (a) $12200; (b) $13600