Liam thinks of a number. he multiplies the number by 5 and then subtracts 60 from the result. his answer equals the number he started with. what was the number liam started with?

people went from manufacturing one object at a time by hand to manufacturing many objects in factories

i get you, what you should do is think of the positive things that would come out of it. it will make yours parents proud and raise your grade. you should always try and if you can't focus tell the teacher.