Answer:
The answer is the first one -8x.
Answer:
if the whole (100%) is 50 homes, then half of the whole (50%) is 25 homes. the part of the whole, the homes cleaned, is 15 homes (30%)
so:
50 homes: 100%
25 homes: 50%
15 homes: 30%
Answer:
10
Step-by-step explanation:
Using Euler's formula for polyhedra
F + V - E = 2
Here V = 16 and E = 24, thus
F + 16 - 24 = 2, that is
F - 8 = 2 ( add 8 to both sides )
F = 10