Answer: 55.56
Step-by-step explanation:
Let the unknown number be k
(45 x k) / 100 = 25
45k/100 = 25
multiply both sides by 100
45k = 25 x 100
45k = 2500
divide both sides by 45
k = 2500/45
k = 55.56
Answer: x=55
Step-by-step explanation: 35+35=70. 180-70=110. 110/2=55.

Any number to the power of
is itself. So,
.
Here are some more examples:



Answer:
$4.05
Step-by-step explanation:
45 x 9 = 4.05