The graph shows the earnings that Barbara'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 $4600 from July to December?
(a)
Total earnings from July to November
= 3200 + 3000 + 2200 + 3000 + 4000
= $15400
(b)
Total earnings from July to November
= 6 x 4600
= $27600
Amount that must be earned in December
= 27600 - 15400
= $12200
Answer(s): (a) $15400; (b) $12200