The graph shows the earnings that Sabrina'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 $3700 from July to December?
(a)
Total earnings from July to November
= 3800 + 3400 + 3800 + 4000 + 3000
= $18000
(b)
Total earnings from July to November
= 6 x 3700
= $22200
Amount that must be earned in December
= 22200 - 18000
= $4200
Answer(s): (a) $18000; (b) $4200