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18 Nov 2024, 15:46
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I'm going through the quant OG and in the problem of price discounts for a dress eventually you get to a point where you get p=$24/0.75.
You're not allowed to use a calculator and I'm struggling to do divisions like this quickly. Is there a shortcut?
In one of the problems after that, related to interest, we get (0.06)($8,000)=$480 and after that \((3/12)($480) = $120\). But how would I quickly do these without a calculator?
You're not allowed to use a calculator and I'm struggling to do divisions like this quickly. Is there a shortcut?
In one of the problems after that, related to interest, we get (0.06)($8,000)=$480 and after that \((3/12)($480) = $120\). But how would I quickly do these without a calculator?
19 Nov 2024, 00:13
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zepster313
Often, converting decimals to fractions can be helpful:
24/0.75 =
= 24/(3/4) =
= 24 * 4/3 =
= 8 * 4 =
= 32
Hope this helps.
19 Nov 2024, 16:25
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Thank you. How would you tackle the second problem: "In one of the problems after that, related to interest, we get (0.06)($8,000)=$480 and after that \((3/12)($480) = $120\). But how would I quickly do these without a calculator?"
Bunuel
