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 $4700 from July to December?
(a)
Total earnings from July to November
= 3200 + 2600 + 3200 + 4000 + 4000
= $17000
(b)
Total earnings from July to November
= 6 x 4700
= $28200
Amount that must be earned in December
= 28200 - 17000
= $11200
Answer(s): (a) $17000; (b) $11200