Question

determine the input
a number went into this machine and 36 came out.
what number went in?
there is an image of a machine with decrease by 60% text above it

Explanation:

Step1: Define the input number

Let the input number be \( x \).

Step2: Apply the percentage decrease

A 60% decrease means the output is \( (1 - 0.60)x = 0.40x \).

Step3: Set up the equation

We know the output is 36, so \( 0.40x = 36 \).

Step4: Solve for \( x \)

Divide both sides by 0.40: \( x = \frac{36}{0.40} = 90 \).

Answer:

90