Answer:
32 People
Step-by-step explanation:
I put 40 (Number of birthday cards bought previously) over 125 (Number of expected costumers) and multiplied it by 100 (Total number of card bought previously) to get my answer. Hopefully that helps :)
4
devide 144 by 9
get 16
The base squared is 16
find the root of 16
get 4
4 is your awnser
A translation
:)