The graph shows the earnings that Fiona'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 $3800 from July to December?
(a)
Total earnings from July to November
= 2600 + 3000 + 2200 + 3000 + 3600
= $14400
(b)
Total earnings from July to November
= 6 x 3800
= $22800
Amount that must be earned in December
= 22800 - 14400
= $8400
Answer(s): (a) $14400; (b) $8400