Mathematics

Matthew Barr

30 June, 09:50

My little sister, Savannah, is three years old and has a piggy bank

that she wants to fill. She started with five pennies and each day when I come home

from school, she is excited when I give her three pennies that are left over from my

lunch money. How much money will Savannah have after 10 days? How many days

will it take for her to have at least $1.50? Justify your answer with a mathematical

model of the problem situation.

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