The graph shows the earnings that Opal'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 $3500 from July to December?
(a)
Total earnings from July to November
= 2400 + 2400 + 2400 + 3400 + 3600
= $14200
(b)
Total earnings from July to November
= 6 x 3500
= $21000
Amount that must be earned in December
= 21000 - 14200
= $6800
Answer(s): (a) $14200; (b) $6800