Ask Singapore Homework?
Upload a photo of a Singapore homework and someone will email you the solution for free.
Question
primary 6 | Maths
| Percentage
One Answer Below
This question need another answer.
Pls help! Thanks!
p: 3u (30%)
cc + m = 7u (70%)
after
p: 3u (20%)
cc + m = 7u + 190 - 40 = 7u + 150 (80%)
7u + 150 = 4 x 3u
u = 30
90 pies
ALT
after
p: 2u (20%)
cc + m: 8u (80%)
b4
p: 2u (30%)
cc + m = 8u - 190 + 40 = 8u - 150 (70%)
2u x 7 = (8u - 150) x 3
u = 45
90 pies
...
See 1 Answer