The graph shows the earnings that Xandra'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 $3600 from July to December?
(a)
Total earnings from July to November
= 3400 + 2600 + 4000 + 2600 + 3600
= $16200
(b)
Total earnings from July to November
= 6 x 3600
= $21600
Amount that must be earned in December
= 21600 - 16200
= $5400
Answer(s): (a) $16200; (b) $5400