Fill in the missing number. 70% of = 42
Understand the Problem
The question is asking us to find a number such that 70% of that number equals 42. To solve this, we can set up the equation 0.7 * x = 42 and solve for x.
Answer
\( x = 60 \)
Answer for screen readers
The final answer is ( x = 60 ).
Steps to Solve
- Set up the equation
We start with the equation that represents the problem:
$$ 0.7 \times x = 42 $$
- Isolate the variable x
To solve for $x$, divide both sides of the equation by 0.7.
$$ x = \frac{42}{0.7} $$
- Perform the division
Now we calculate the right side to find the value of $x$.
$$ x = \frac{42}{0.7} = 60 $$
The final answer is ( x = 60 ).
More Information
This means that 70% of 60 equals 42, as ( 0.7 \times 60 = 42 ). This kind of problem is common in percentage calculations.
Tips
- Mixing up the operations: Some might add or multiply incorrectly instead of dividing when isolating the variable.
- Miscalculating the division: Be careful with decimal places when doing division.
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