The day before, 30 customers at a bank called to make a deposit, and 90 customers did not call.
What percentage of the customers at this bank
called?

yes

step-by-step explanation:

they have to be opposite and reciprocal of eachother.

answer:  

step-by-step explanation:

odd numbers are only divisible by 1 and itself.

even numbers are divisible by more than 1 and itself.

for example 6 is even because it is divisible by more than 1 and its self. 1 x 6= 6 ; 2 x 3= 6

and 7 is odd because only 7 x 1 equals seveb

y/x of point b= y/x of point a

step-by-step explanation:

(i got the same question, this was the correct answer.)