The graph shows the earnings that Barbara's shop 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
= 2400 + 3200 + 2800 + 3000 + 3200
= $14600
(b)
Total earnings from July to November
= 6 x 4600
= $27600
Amount that must be earned in December
= 27600 - 14600
= $13000
Answer(s): (a) $14600; (b) $13000