The graph shows the earnings that Fiona'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 $3400 from July to December?
(a)
Total earnings from July to November
= 2400 + 4000 + 3800 + 2800 + 3800
= $16800
(b)
Total earnings from July to November
= 6 x 3400
= $20400
Amount that must be earned in December
= 20400 - 16800
= $3600
Answer(s): (a) $16800; (b) $3600