pre-algebra story problem

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Boni
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pre-algebra story problem

Postby Boni » Mon May 23, 2011 3:44 pm

I need help so I can help someone else:)

Brad wants to buy flowers for a friend with $33.00. The daisies are $1.00 each and th roses are $2.00 each. He buys 3 more daisies than roses. How much did the roses cost?

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Martingale
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Re: pre-algebra story problem

Postby Martingale » Mon May 23, 2011 4:24 pm

Boni wrote:I need help so I can help someone else:)

Brad wants to buy flowers for a friend with $33.00. The daisies are $1.00 each and th roses are $2.00 each. He buys 3 more daisies than roses. How much did the roses cost?



Let X=# roses
then how many daisies are there (in terms of X)?

What is the cost for the roses in terms of X?


then cost for roses + cost for daisies =33 (provides that Brad uses all 33 dollars)

solve for X...then multiply by 2


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