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He has 18 feet of wood to use. He uses three-fourthsof a foot of wood per step for the ladder. If he has 15 feet of wood left, how many ladder steps did he make?

User Riken Shah
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1 Answer

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Final answer:

To find the number of ladder steps made, subtract the length of wood used for the steps from the total length of wood available. The student has used 3/4 of a foot of wood per step. By solving the equation, it can be determined that the student made 4 ladder steps.

Step-by-step explanation:

To find the number of ladder steps made, we need to subtract the length of wood used for the steps from the total length of wood available. The student has used 3/4 of a foot of wood per step. We can set up an equation to solve for the number of steps:

18 - (3/4) * x = 15

Where x represents the number of steps.

To solve the equation, we can first multiply 3/4 by x. This gives us:

18 - (3/4) * x = 15

4 * (18 - (3/4) * x) = 4 * 15

72 - 3x = 60

Next, we can subtract 72 from both sides:

72 - 3x - 72 = 60 - 72

-3x = -12

Finally, we can divide both sides by -3 to solve for x:

x = -12 / -3

x = 4

Therefore, the student has made 4 ladder steps.

User Winterized
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