4680.50=4400(1+.75r)

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Solution for 4680.50=4400(1+.75r) equation:


Simplifying
4680.50 = 4400(1 + 0.75r)
4680.50 = (1 * 4400 + 0.75r * 4400)
4680.50 = (4400 + 3300r)

Solving
4680.50 = 4400 + 3300r

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '-3300r' to each side of the equation.
4680.50 + -3300r = 4400 + 3300r + -3300r

Combine like terms: 3300r + -3300r = 0
4680.50 + -3300r = 4400 + 0
4680.50 + -3300r = 4400

Add '-4680.50' to each side of the equation.
4680.50 + -4680.50 + -3300r = 4400 + -4680.50

Combine like terms: 4680.50 + -4680.50 = 0.00
0.00 + -3300r = 4400 + -4680.50
-3300r = 4400 + -4680.50

Combine like terms: 4400 + -4680.50 = -280.5
-3300r = -280.5

Divide each side by '-3300'.
r = 0.085

Simplifying
r = 0.085

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