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azamat
3 years ago
8

The simple interest charged on a 65-day loan of $1,290 is $5.75. Find the annual simple interest rate (in percent) for this loan

. Round to the nearest tenth of a percent. Use 360 days in 1 year. (Please provide a step-by-step explanation.)
Mathematics
2 answers:
ExtremeBDS [4]3 years ago
7 0

Answer:

Simple Interest Rate = 2.5%

Step-by-step explanation:

Simple Interest =(Principal * Rate of Interest * Time) / 100

Principal = $1290

Simple Interest = $5.75

Time = 65 days

Converting it into years assuming 360 days in a year, Time = 65/360 years

\[5.75 = \frac{(1290 * Rate * \frac{65}{360})}{100}\]

Simplifying,

\[5.75 *100 = (1290 * Rate * \frac{65}{360})}\]

\[=> Rate=\frac{5.75 * 100 * \frac{360}{65}}{1290}\]

\[=> Rate=2.468%\]

Rounding off to the nearest tenth of percent,

Rate = 2.5%

Elan Coil [88]3 years ago
5 0

Answer:

Step-by-step explanation:

The formula for determining simple interest is expressed as

I = PRT/100

Where

P represents the principal or initial amount invested or collected as a loan.

R represents interest rate.

T represents the duration of time in years before the loan is bald back.

From the information given,

P = 1290

I = 5.75

Since there are 365 days in a year,

t = 65/365 = 0.1781 years

Therefore,

5.75 = (1290 × r × 0.1781)/100

5.75 = 229.749r/100 = 2.29749r

r = 5.75/2.29749

r = 2.5027

Rounding to the nearest percent,

r = 3%

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