Posted by **Shorty** on Wednesday, March 6, 2013 at 10:20pm.

40 is 42% of what number? (set this up with a variable,simplify)

- math -
**Ms. Sue**, Wednesday, March 6, 2013 at 10:35pm
0.42x = 40

x = 40/0.42

x = 95.238

- math -
**Bosnian**, Wednesday, March 6, 2013 at 10:38pm
42 % = 42 / 100

40 = x * 42 / 100 Multiply both sides by 100

40 * 100 = 42 x

4000 = 42 x Divide both sides by 42

4000 / 42 = x

x = 95.238

OR

42 % = 42 / 100 = 0.42

x = 40 / 0.42 = 95.238

## Answer this Question

## Related Questions

- Math - Translate and simplify "six less than twice the sum Of a number and three...
- Math - A function is described by the equation f(x)=x^2-3. The replacement set ...
- Computer Science - Would like to know if this looks right Write a program that ...
- Algebra 1 Answer Evaluation (Reiny) - Evaluate each expression for the given ...
- Math help. - 1. 1 • 12 numerical expression variable expression; a is the ...
- algebra - which statement is not true about variable? a a variable is used to ...
- Math - Simplify the variable expression: 1. (13)(-x) My answer: -13x 2. (-4)(-x...
- math - secret riddle worksheet riddle: why did the teacher wear sunglasses? 1) ...
- math - One number is 5 times another. Write an expression for the sum of their ...
- Math help - 1. The number of students present in class & the number of empty ...

More Related Questions