The graph shows the earnings that Yoko's stationery store 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 $3300 from July to December?
(a)
Total earnings from July to November
= 4000 + 2400 + 2000 + 2400 + 2000
= $12800
(b)
Total earnings from July to November
= 6 x 3300
= $19800
Amount that must be earned in December
= 19800 - 12800
= $7000
Answer(s): (a) $12800; (b) $7000