Question

if a= 3/5 and b=21/4 find the value of 2b-a​

Answer 1

Answer:

$\frac{99}{10}$

Step-by-step explanation:

$2b-a=2\cdot \frac{21}{4} - \frac{3}{5} = \frac{21}{2}-\frac{3}{5}=\frac{105}{10}-\frac{6}{10}=\frac{99}{10}$. Hope this helps!