# Math

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Find the finance charge (interest) due on a 9-month loan of \$2,400 at a simple interest rate of 10%.(Use the formula for simple interest: Interest Earned = Principal×Rate×Time)
(a)\$ 18.00 (b)\$ 1,800 (c)\$ 180
(d)\$ 1.80 (e)\$ 18

I put in 2400*9*.10 and it equals 2160 so i don't get what i'm doing wrong for the problem

• Math -

I = Prt = 2400 * 0.1/yr * (9/12)yrs = \$180.

Remember, t must be in years:
9/12 = 3/4yr = 0.75 yr.

• Math -

The simple interest formula is I = PxRxt Plug in the values and see what you come up with for the interest :o) P = loan amount R = rate T = time

• Math -

zx\x\x\zx\z

• Math -

I NEED HELP NOW!!!!!!!!!!!!!!

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