Respuesta :

the answer to 1,425 multiplied by 7 is 9,975 
So 1,425 pennies for 7 years would be:

1,425
x     7
--------
9,975 

or you could do 

1,425
1,425
1,425
1,425
1,425
1,425
1,425
+
---------
9,975