2) An octagon has a length of 5x - 6. The perimeter of the octagon is 208. What is the value of x?
A) x = 6.4
B) x = 10.2
C) x = 2.4
D) x = 5.3

Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?

Use the multiplier method to incrases £258 by 43%

What expression is equivalent to 1/2(2+3x-6)