89 + 96 please help me how to solve this ​

Question

`89 + 96`
please help me how to solve this ​

Answer 1

Rewrite as ;

`{:\implies \quad \sf (80+9)+(80+16)}`

`{:\implies \quad \sf (80+80)+(9+16)}`

`{:\implies \quad \sf 2(80)+(25)}`

`{:\implies \quad \sf 160+25}`

`{:\implies \quad \boxed{\bf 185}}`