An item is regularly priced at $48. It is on sale for 30% off the regular price. What's the sales price?
1 answer:
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Answer and Explanation:
Since this is a 30-60-90 triangle, you can use the ratio of side lengths specific to this type of triangle:
x = 4√(2)
y = 2(4) = 8
because where 4 = T,
x = T√2 and y = 2T
so again: