Question

2/5*2+4*2/5+2/5*5-2/5

Answer 1

2/5x2+4x2/5+2/5x5-2/5

=2/5x(2+4+5-1)

=2/5x10

=4

Answer 2

\(\dfrac{2}{5}\times2+4\times\dfrac{2}{5}+\dfrac{2}{5}\times5-\dfrac{2}{5}\\ =\left(2+4+5-1\right)\times\dfrac{2}{5}\\ =10\times\dfrac{2}{5}\\ =4\)

Answer 3

2/5 x (2+4+5+1)

=2/5 x 12

=62/5