Answer:
b
Step-by-step explanation:
he he UK dhdbsbueheh eve
Answer:
20%
Step-by-step explanation:
So, I would set this up as a proportion-
72 x
90 100
Cross multiply-
100 x 72 = 7200
Divide-
7200/90 = 80
Subtract-
100 - 80 = 20
So, it is a 20% decrease
Answer:
$63
Step-by-step explanation:
100-30=70%
0.7*90=63


Note down below rules for sign notations
- (-)(-)=(+)
- (+)(-)=(-)(+)=(-)
- (+)(+)=(+)