2/5*43

To calculate \( \frac{2}{5} \times 43 \):

1. Multiply 43 by 2: \[ 43 \times 2 = 86 \]

2. Now divide 86 by 5: \[ \frac{86}{5} = 17.2 \]

So, \( \frac{2}{5} \times 43 = 17.2 \).