Answer:
360
Step-by-step explanation:
Number of customers who make purchases with a credit card
=15 out of every 25=
The fraction 3/5 represents the part of the customer that makes purchases with credit cards.
Therefore if there are 600 customers tomorrow, 3/5 of them will use a credit card.
360 credit card can be expected.
Answer:
a. 16
b. 80
c. Blood type AB
Step-by-step explanation:
Given:
O = 45%
A = 40%
B = 11%
AB = 4%
Total number of donors = 145
a. No. of donors that had type B blood =
Type B blood donors ≈ 16
b. No. of blood donors without blood type O =
Those without blood type O ≈ 80
c. Find the number of people that had type AB:
Type AB = ≈ 6. This is less than 10 donors.
Therefore, blood type AB had less than 10 donors.