Question

Owen is using the double number line shown to find 80% of 400. the double number line shows percentages from 0 to 100 in increments of 10 below the line. there is a question mark above 10 percent and 400 above 100 percent. what number should he write in the box above the 10% mark?

Answer 1

Owen should write the number 40 above the 10% mark on the double number line, as 10% of 400 is 40.

Step-by-step explanation:

The student is looking to find what number should be written above the 10% mark when using a double number line to find 80% of 400.

To find 10% of any number, you divide the number by 10. In this case, 10% of 400 is calculated by dividing 400 by 10, which equals 40.

Therefore, Owen should write the number 40 above the 10% mark on the double number line.