1. The problem states that Kofi earned 50 Cedis yesterday mowing lawns. 2. Today, Kofi earned 60% of what he earned yesterday. 3. To find how much Kofi earned today, calculate 60% of 50. 4. Convert 60% to decimal: $60\% = 0.60$. 5. Multiply 0.60 by 50: $$0.60 \times 50 = 30$$. 6. Therefore, Kofi earned 30 Cedis today mowing lawns.