312-170=142
142÷2=71
170+71=241
241+71=312
train A weighs 241 tons
Answer:
13 hamburgers and 9 hot dogs
Step-by-step explanation:
Well, to get rid of them, you would have to add or subtract that fraction to both sides of the equation (making them still equal to each other), so it would just get too complicated to completely get rid of a fraction. That is, if you don't need to.
I believe it is C is the answer
