tolong di bantu ya ka

(27 x 2) + (28 x 2) + 29 + (30 x 8) + (32 x 3) + 35 + (36 x 2)+ 38 : 20[jumlah anak] = 620:20 = 31


Semoga membantu

( 27x 2 ) + ( 28 x 2 ) + ( 29 x 1 ) + ( 30 x 8 ) + ( 32 x 3 ) + ( 35 x 1 ) + ( 36 x 2 ) + ( 38 x 1 ) = 620 : 20
= 31 ( C)