Answer:
The new number is 24.4
Step-by-step explanation:
Step 1: Make an expression
40 decreased by 39 percent
40 * (1 - 0.39) = x
Step 2: Subtract
40 * (1 - 0.39) = x
40 * (0.61) = x
Step 3: Multiply
40 * (0.61) = x
24.4 = x
Answer: The new number is 24.4
