Step-by-step explanation:
An equivalent set is a set that has equal numbers or items.
Answer:
8
Step-by-step explanation:
40 + 5 (at the door)=45
(president's goal) 400 divided by 45= approximately 8
Multiples of 30 : 30,60,90,120,150....
and the first one that 4 goes into evenly is 60
