At a fruit stall, 224 lemons were sold in the morning and ⁵₇ of the remaining lemons were sold in the afternoon. As a result, the number of lemons left became ¹₇ of the total number of lemons at first. Given that the lemons were sold at $3.20 in packs of eight lemons, how much did the fruit stall receive from the sale of the lemons in the afternoon?
Fraction of the remaining lemons left
= 1 - ⁵₇
= ²₇

Make numerators the same.
²₇ of remaining lemons = ¹₇ of total lemons
²₇ of remaining lemons = ²₁₄ of total lemons

14 u - 7 u = 224
7 u = 224
1 u = 224 ÷ 7 = 32

Number of lemons sold in the afternoon
= 5 u
= 5 x 32
= 160

Number of packs of eight lemons sold in the afternoon
= 160 ÷ 8
= 20

Amount received for lemons sold in the afternoon
= 20 x 3.20
= $64

Answer(s): $64