Answer:420$
Solution: 105•4= 420$
25%= 1/4 therefore we can find the original price by multiplying the decrease with 4
Answer:
4
Step-by-step explanation:
can also be written as
. Evaluating this gives
=
= 
Answer: 256 units squared
Step-by-step explanation:
So basically you times 4*4*2*8.
27x-6=9x-1
27x-9x =-1+6
18x = 5
x = 5/18