Sara has a loan for $1800 at a rate of 16% annually. if the interest is not compounded, how much interest will she pay in 4 years?

Interest = $1152.

Step-by-step explanation:

Given information:

Loan = $1800

Rate of interest = 16%

It is given that the interest is not compounded, it means sare need to pay simple interest.

Formula for simple interest:

where, P is principal, r is rate of interest in % and t is time in years.

Substitute P=1800, r=16 and t=4 in the above formula.

Therefore, she will pay $1152 as interest.

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

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step-by-step explanation: