Barnes and nobles bookstore is having a big book sale all the books are 35% off the original price if roberto finds two books at a regular price of 15.99 and 21.50 how much does he pay after the discount

$24.36

Step-by-step explanation:

15.99 x .65 = 10.39

21.50 x .65 = 13.97

10.39 + 13.97 = 24.36

15.99 × .65 = 10.39

21.50 × .65 = 13.98

10.39 + 13.98 = 24.37

$24.37

answer: the value should be used for i in the formula of calculation the monthly payment , the interest rate per period is 0.85.

step-by-step explanation:

the given rate of interest i= 85%

in calculating the monthly payment for a loan with an interest rate compounded monthly, the value of the interest rate per period we use in the formula must be in decimal form.

to convert it in decimal, we divide it by 100, we get

hence, the value should be used for i in the formula of calculation the monthly payment , the interest rate per period is 0.85.