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Considering the formula H=Mc+mB+G, where H is the total price of a purchase, m is the...

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monique06 | Valedictorian

Posted May 11, 2013 at 3:34 PM via web

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Considering the formula H=Mc+mB+G, where H is the total price of a purchase, m is the number of items purchased, C is the cost per item, B is the tax on each item, and G is the total delivery charge, Solve for m

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tiburtius | High School Teacher | (Level 3) Associate Educator

Posted May 11, 2013 at 3:49 PM (Answer #1)

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It doesn't really matter what any of the numbers mean. Also I think both `M` ` `  and `m` should be lower case and having that in mind the formula becomes

`H=mC+mB+G`` `

Now you group everything with `m` like this

`H=m(C+B)+G`

Put G on the left hand side.

`H-G=m(C+B)`

Divide by C+B to get m.` `

`(H-G)/(C+B)=m`

Hence, the formula for `m` is `m=(H-G)/(C+B)`.

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