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:
16.5 inch
Step-by-step explanation:
piece one = 1u
piece two, which is 5 times= 5u
total length = 6u = 99
1u= 99÷6= 16.5 inch
Answer:
$27.90
Step-by-step explanation:
Step 1: Find how much 4 large necklaces will cost
$5.70 * 4 = $22.80
Step 2: Add the cost of 4 large necklaces to the price of 1 small necklace
$22.80 + $5.10 = $27.90
I think it would be more because when you multiply 4*2 it'll be 8