72 total pupils
8x passed the test, x did not
8x + x = 72
9x = 72
x = 8
So since 8x passed the test, substitute 8 for x
8(8) = 64
64 pupils passed the exam
Answer:
1=3 2=1 3=4 42
Step-by-step explanation:
Red : Cream : Blue
2 : 3 : 1
2x2 : 3x2 : 1x2
4 : 6 : 2
You need 6 parts of Cream and 2 parts of Blue
Answer:
4) k = 3
5) h = 35
6) y = 3.5
Step-by-step explanation:
Hope it Helps
Answer: 0.25
Step-by-step explanation:
the mean is 7.25. the median is 7. so, the difference is 0.25.
