Question

Alberto's birthday is 7 days before Corey's birthday. Alberto's birthday is on the 9th. Write the equation to find Corey's birthday.

Answer 1

Answer: ??/02

Step-by-step explanation: Alberto's birthday is on the second. To find this out subtract 9 from 7

Answer 2

it is very simple you minus 9 from 7. 9-7=2. So Alberto's birthday is on the 2nd.