66=(2200)(r)(0.75)

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Solution for 66=(2200)(r)(0.75) equation: 


Simplifying
66 = (2200)(r)(0.75)

Reorder the terms for easier multiplication:
66 = 2200 * 0.75r

Multiply 2200 * 0.75
66 = 1650r

Solving
66 = 1650r

Solving for variable 'r'.

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

Add '-1650r' to each side of the equation.
66 + -1650r = 1650r + -1650r

Combine like terms: 1650r + -1650r = 0
66 + -1650r = 0

Add '-66' to each side of the equation.
66 + -66 + -1650r = 0 + -66

Combine like terms: 66 + -66 = 0
0 + -1650r = 0 + -66
-1650r = 0 + -66

Combine like terms: 0 + -66 = -66
-1650r = -66

Divide each side by '-1650'.
r = 0.04

Simplifying
r = 0.04

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