Question

5 [( 85 - 35 :7) :8 +90] -50

help me

Answer 1

5[(85 - 35 : 7) : 8 + 90] - 50

= 5[(85 - 5) : 8 + 90] -  50

= 5.[ 80 : 8 + 90] - 50

= 5.[ 10 + 90 ] - 50

= 5. 100 - 50

= 500 - 50

= 450

Answer 2

5[(85 - 35 : 7) : 8 + 90] - 50

= 5[(85 - 5) : 8 + 90] -  50

= 5.[ 80 : 8 + 90] - 50

= 5.[ 10 + 90 ] - 50

= 5. 100 - 50

= 500 - 50

= 450