Question

3 x 7/10+7/10x5+2x7/10

 

Answer 1

= 7/10 x (3+5+2)

= 7/10 x 10

=7.

Answer 2

\(3\) x \(\dfrac{7}{10}+\dfrac{7}{10}\) x \(5+2\) x \(\dfrac{7}{10}\)

\(=\left(3+5+2\right)\) x \(\dfrac{7}{10}\)

\(=10\) x \(\dfrac{7}{10}=7\)

 

Answer 3

`= 7/10 x (3+5+2)`

`= 7/10 x 10`

`=7.`

Answer 4

\(=7\)