The graph shows the earnings that Tammy'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 $4700 from July to December?
(a)
Total earnings from July to November
= 2200 + 3400 + 2400 + 4000 + 3400
= $15400
(b)
Total earnings from July to November
= 6 x 4700
= $28200
Amount that must be earned in December
= 28200 - 15400
= $12800
Answer(s): (a) $15400; (b) $12800