Hello there!
First, let's simplify our second ratio, 12:60.
They both can be divided by 12, so let's simplify.
1:5 to 5:m
This means 1:5 multiplied by 5 to get 5:m, so we need to multiply the "5" in 1:5 to get m.
5 x 5 = 25
m = 25
I hope this helps!
Answer:
5 and 8
Step-by-step explanation:
8*-1/2=-4
-4*5=-20
Step-by-step explanation:
The number of subsets=2ⁿ where n=4 members
2ⁿ=2⁴=16
Number of proper subsets=2ⁿ-1
16-1=15