please anyone to help me with this problem please?

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the drummer boy purchased d drums for x dollars. if each drum had cost $5 less , how many drums could the boy have purchased for $100?

2007-10-29 14:27:42 · 3 answers · asked by mandy 1 in Education & Reference ➔ Homework Help

6 drums! $30,25,20,15,10 = $100

2007-10-29 14:30:56 · answer #1 · answered by Max 7 · 0⤊ 0⤋

solve each for d you would have to know the original cost though (the value of x)

d=100/x
d=100/x-5

2007-10-29 14:41:32 · answer #2 · answered by tydietyler 3 · 0⤊ 0⤋

100/(x/d-5)

2007-10-29 14:35:35 · answer #3 · answered by monushar001 1 · 0⤊ 0⤋