The graph shows the earnings that Lucy's boutique 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 $3900 from July to December?
(a)
Total earnings from July to November
= 2800 + 2400 + 2400 + 2800 + 2600
= $13000
(b)
Total earnings from July to November
= 6 x 3900
= $23400
Amount that must be earned in December
= 23400 - 13000
= $10400
Answer(s): (a) $13000; (b) $10400