The graph shows the earnings that Vanessa's bookstore 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 $4400 from July to December?
(a)
Total earnings from July to November
= 2400 + 3200 + 3400 + 2600 + 4000
= $15600
(b)
Total earnings from July to November
= 6 x 4400
= $26400
Amount that must be earned in December
= 26400 - 15600
= $10800
Answer(s): (a) $15600; (b) $10800