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
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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?
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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