Question

Plis tolongin caranya 1-5

Answer 1

1. L tanah = p.l
234 3/8 m² = 18 ¾ . l
l = 234 3/8 . 4/75
= 1875/8.4/75
= 25/2 = 12,5
2.
a. ab - c : 2/5.2/3 - ½ =
4/15 - ½ =
8/30 - 15/30 = -7/30
b. b² - c = 4/9 - ½ =
8/18 - 9/18 = -1/18
c. a (b+c) = 2/5 (2/3 + 1/2) =
2/5 (4/6 + 3/6) =
2/5.7/6 = 7/15
d. ab : c = 2/5.2/3 : ½ =
4/15.2 = 8/15
3. anton = 160cm
roni = 160 - 15 = 145cm
perbandingan =
160 : 145 = 32 : 29
4. presentase wanita =
28/50.100% = 56%
5. Yosi = 60/100 . 50.000 =
30.000
uang nabila = 50.000 - 30.000
= 20.000