Jawabanmu

2014-08-11T17:04:24+07:00
A. 30/75 x 100% =40%
b. 35/50 x 100% = 70%
2 4 2
2014-08-11T17:06:44+07:00
A.(30/75):15= (2/5)x20= 40/100= 40%
b.(35/50):5= (7/10)x10= 70/100= 70%
1 4 1