Divide 81/289 and see the decimals value
then check each answer choice and the one with the same decimals value as your question is your answer
$1,300????
I would say, I am not very good at this but If I did everything right then this should be the right answer... Sorry if it is wrong!!
2x +2(x-12)=340
2x+2x-24 = 340
4x=364
x = 91
91-12 = 79 mph for eastbound train
Those | | means that whatever the number inside is, will always be positive so it is equal
