sekalian caranya ya besook ditumpuk nih

jawaban no 5 yg a KPK nya 12

1.
2/3 x 100% = 66,7%
A. 3/5x100% = 60%
B. 63%
C. 3/4 x 100% = 75%
D. 0.66 x 100% = 66%
2.
143:11/88:11
= 13/8
= 1 5/8 (A)
3.
11/8 = 1 3/8
= 1.375(C)
4.
7/4 x 60 menit
= 105 menit(C)
5.
KPK 4,3,2 = 12
1(12/4)/12,1(12/3)/12,1(12/2)/12
= 3/12,4/12,6,12
= 1/4,1/3 ,1/2(A)
6.
11/4 + 13/5
= 11x5/20 + 13x4/20
= 55/20 + 52/20
= 107 / 20
= 5 7/20(B)
7.
36/10 x 512/100
= 18/5 x 128/25
= 2304/125
= 18,432(A)
semoga membantu:)