tolong pakai cara ya!!

40 : (40 + 10)
40 : 50
4 : 5
50 : x
((50 : 4) x 5
= 12.5 x 5
= 62.5
62.5 - 50= 12.5
12.5 : 2. (Lebarnya sama)
6.25

Sorry gka da jawabannya