The distance (d) in meters that an ant can travel varies directly with the amount of time (t) in hours it spends walking. Assume that an ant’s constant of proportionality is 18.

Write an equation to represent the proportional relationship between d and t using the information given.

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d = 18t

d/t = 18.

To write an equation representing the proportional relationship between the distance (d) and time (t) given that the constant of proportionality is 18, we use the formula:

d = k * t

In this case, "k" represents the constant of proportionality. Substituting the given constant of proportionality:

d = 18 * t

Therefore, the equation representing the proportional relationship is: d = 18t.