A department store buys 500 shirts at a cost of $12,000 and sells them at a selling price of $30 each. Find the percent markup
The percent markup is % (Round to the nearest winole number as needed.)
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25%

Step-by-step explanation:

A department store buys 400 shirts at a cost of $6,400 and sells them at a selling price of $20 each. Find the percent markup.

I couldn't seem to calculate: A department store buys 500 shirts at a cost of $12,000 and sells them at a selling price of $30 each.

Find the percent markup

The percent markup is % (Round to the nearest whole number as needed.)

step-by-step explanation:

the original amount doesn't ''re just looking for the time it takes for 1/2 of the substance to we have

(1/2) =)     take the ln   of both sides

ln (1/2)   = )   and we can write

ln(1/2) = ) lne     and lne   = 1     so we have

ln(1/2) = -.1092t     divide both sides by -.1092

t = ln(1/2)/-.1092 = about 6.347 days = about 6.3 days (rounded)

step-by-step explanation:

where is the questions