Question

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

Answer 1

Starts with 5 pennies, add 3 pennies a day for 10 days

3 x 10 + 5 = 35 pennies after 10 days

50 days to reach $1.50?

Answer 2

10•3=30 cents 30,60,80,1.30,1.60 she will go past 1.50