The answer should be 2(2b+3)
45/56
5/7 divided 8/9
5/7 times 9/8
45/56
25% 6 divided by 24 will give you the percentage of copper in the bar
Well, the ratio of cars to trucks is 5:1, so for every 1 truck, there are 5 cars, the sum would be 6. So that's the denominator, and then the numerator would be 1, since there's only 1 truck out of every 6 vehicles.
Answer: D. 1/6
