Samm investment of %6500 grows to %9780 in 6 years.

At what rate of simple interest was the money invested? (round to 2d. p.)

CAN SOMEONE ANSWER THIS PLZ?

8.41 percent

Step-by-step explanation:

Simple Interest= PxRxT/100

Therefore, Rate = (100 × Interest)/(Principal × Time)

From the information given,

Principal is $6500

Time is 6 years

Interest is $3280; the difference between future value and current value

$9780 - $6500 = $3280

Plug in the values into the formula;

Rate = (100 × 3280)/(6500 × 6)

R= 328,000/39,000

R = 8.41

Thus rate is 8.41 percent.

there are many solutions.

step-by-step explanation:

step 1: simplify both sides of the equation.

4x+6=4x^2+10x−4

step 2: subtract 4x^2+10x-4 from both sides.

4x+6−(4x^2+10x−4)=4x^2+10x−4−(4x^2+10x−4)

−4x^2−6x+10=0

step 3: factor left side of equation.

−2(2x+5)(x−1)=0

step 4: set factors equal to 0.

x=-5/2 or x=1