Store a has a promotion. if you buy three shirts, you get 25% off the total price of the three shirts. store b has the same shirts on sale with the promotion that if you buy three shirts, you get the third shirt at a 50% discount. store c has the same shirts on sale with a 10% discount. assuming the three stores have the shirts priced equally before any promotion or sale and assuming you want to buy three shirts, which store�s promotion or sale gives you the better deal?

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.

1,150 give brainliest

step-by-step explanation

2r= 2300

r =1150