Question

HELP PLEASE .!!!!!!!!!!

PROJECT: CREATING AN ALGORITHM
Imagine working with a younger sibling or student who is having trouble multiplying by 9s. Create an algorithm to help the student learn how to do this easily. Then notate whether the given algorithm is equivalent or not. You may need to use outside resources to help you.

Hint: 10 - 1 = 9

Answer 1

9 x 9 -> 10 x 9 - 9
y = the number multipling 9
so (y x 9) - y = answer

Answer 2

thanks