Solve the problem by combining like terms.
-To convert from meters to centimeters, we multiply by 100. For example, the number of centimeters in 3 meters is 100 · 3 = 300. If one piece of string has a length of x - 2 meters, and another piece of string has a length of
8x + 5 centimeters, express their total length in centimeters as an algebraic expression.
A)801x + 498 centimeters
B)108x - 195 centimeters
C)900x + 300 centimeters
D)9x + 3 centimeters

Question

Quizplus · Accepted Answer

First, convert the length of the first string from meters to centimeters: (x - 2) meters = 100(x - 2) centimeters = 100x - 200 centimeters. Then, add the length of the second string: (100x - 200) + (8x + 5) = 108x - 195 centimeters.

Solve the Problem by Combining Like Terms