SOLUTION: (a) 30% of what number is 18? (b) 45% of what number is 135?

Question 967592: (a) 30% of what number is 18? (b) 45% of what number is 135?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
(a) 30% of what number is 18?
Equation:
0.3x = 18
x = 18/0.3
x = 1800/30
x = 60
-------------------
(b) 45% of what number is 135?
Equation:
0.45x = 135
x = 135/0.45
----
x = 13500/45
x = 300
------------
Cheers,
Stan H.
------------
RELATED QUESTIONS
135 is 108% of what... (answered by rfer)

what is the number of sides of a regular polygon whose interior angles measure 135... (answered by Alan3354)

What is the angle of rotation of this regular octagon? What is the measure of an interior (answered by Theo)

What is 18% of 45... (answered by rfer)

45% of 200 is what... (answered by user_dude2008)

50% of what number is... (answered by rfer)

50% what number of salad is... (answered by Fombitz)

45 is 25% of what... (answered by Alan3354,josmiceli)

What is power of number... (answered by Alan3354)