of the Sarah had some money in the piggy bank. On Monday, she took out money to buy a present. She had $78 left and she put it back into the piggy bank. On Tuesday, she took out of the money to buy some story books. She had $28.80 left and she put it back into the piggy bank. After that, she found that there was $246.30 in the piggy bank. How much money did she have in the piggy bank at first?
of the Sarah had some money in the piggy bank. On Monday, she took out money to buy a present. She had $78 left and she put it back into the piggy bank. On Tuesday, she took out of the money to buy some story books. She had $28.80 left and she put it back into the piggy bank. After that, she found that there was $246.30 in the piggy bank. How much money did she have in the piggy bank at first?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:4.
Sarah had some money in the piggy bank. On Monday, she took out
money to buy a present. She had $78 left and she put it back into the piggy
3
bank. On Tuesday, she took out
of the money to buy some story books. She
of the
had $28.80 left and she put it back into the piggy bank. After that, she found that
there was $246.30 in the piggy bank. How much money did she have in the
piggy bank at first?
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