Question

Multiplicative inverse of 3 ½ is :
1. -7/4 2. 2/7 3. -2/7 4. 7/2​

Answer 1

Step-by-step explanation:

$z = 3 \: \frac{1}{2} = 3 \times 2 + 1 \div 2 \: \: = \frac{7}{2}$

Multiplicative inverse of 3 1/2 is 2/7.