The graph shows the earnings that Wendy'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 $4200 from July to December?
(a)
Total earnings from July to November
= 3000 + 3800 + 2600 + 3400 + 2600
= $15400
(b)
Total earnings from July to November
= 6 x 4200
= $25200
Amount that must be earned in December
= 25200 - 15400
= $9800
Answer(s): (a) $15400; (b) $9800