Adding numbers based on date

[Dyanna]

I have a workbook that on the first workbook page has a column with a date
(when a bid is submitted), then in another column the amount of that bid - on
another workbook page I have the weeks of the year and I want it to reference
back to the first workbook page and if the date is between a certain date
range add the bid amount

First Workbook Page Second Workbook Page
Bid Date Amount Week Ending
Amount
1/1/08 $100.00 1/7/08

1/12/08 $200.00 1/14/08
1/25/08 $100.00

Anyone have any suggestions, I have been trying to use the IF function and
SUMIF but I keep getting errors.

Thank you!!
Dyanna

 

[Bob Phillips]

=SUMIF(Sheet1!A:A,">="&A2,Sheet1!B:B)-SUMIF(Sheet1!A:A,">"&A2+7,Sheet1!B:B)

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HTH

Bob

(there's no email, no snail mail, but somewhere should be gmail in my addy)

 

[Dyanna]

Thank you - worked perfect - I was close, but I was not using -SUMIF in the
middle!

Dyanna