Answer: The equivalent ratio with the total number of skateboards as 100 is 30 longboards out of 100 skateboards.
Explanation: To find the percentage of the order that was longboards, we need to divide the number of longboards (18) by the total number of skateboards ordered (60) and then multiply by 100 to get the percentage.
Percentage of longboards = (Number of longboards / Total number of skateboards) * 100
Percentage of longboards = (18 / 60) * 100
Percentage of longboards = (0.3) * 100
Percentage of longboards = 30%
So, 30% of the order was longboards.
Now, to find an equivalent ratio with the total number of skateboards as 100, we need to find what 30% of 100 is:
30% of 100 = (30/100) * 100 = 30
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