C = 3r +15. The cost of purchasing “r”roses from sandras delivery service is given by the equation like has only 50$ to spend on roses how many roses can he buy

11 roses

Step-by-step explanation:

Put in the total cost of $50 for c.

50 = 3r + 15

subtract 15 from both sides

35 = 3r

divide both sides by 3

11.6 repeated = r

You can't by .6 of a rose so you must round down to 11.

b is the answer that makes most sense

step-by-step explanation:

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.