Aconsumer charges a $2,530.16 purchase on their credit card. the card has a daily interest rate of 0.042%. if the consumer pays off the balance at the end of 30 days, how much more in interest will they pay for the purchase?

c.

$31.88

Step-by-step explanation:

edge 2020

Amount debited through credit card = $ 2,530.16=P

Daily interest rate =0.042%=R

On first day total amount paid=

On Second day, amount equals to

Amount Charged at the end of 30 days is given by    

So, total interest paid after 30 days =2562.24-2530.16

             =Rs 32.08(approx)

38.5

step-by-step explanation:

lets say, first number = r

second number = 3r+7

total = 49

(r)+(3r+7)= 49

4r+7 = 49

4r = 42

r = 42/4

r= 10.5

3r+7 = 3(10.5)+7 = 38.5

hope this