Question

Simplify:

21.5 ÷ 5 – 1/5 of (20.5 – 5.5) + 0.5 × 8.5​

Answer 1

Step-by-step explanation:

$simplify: \\ 21.5 \div 5 - \frac{1}{5} of(20.5 - 5.5) + 0.5 \times 8.5 \\ = 21.5 \div 5 - \frac{1}{5} \times 15 + 0.5 \times 8.5 \\ = 21.5 \div 5 - 3 + 4.25 \\ = \frac{21.5}{5} + 1.25 \\ = 5.3 + 1.25 \\ = 6.55$