I say 1 1/2 yards because you need to subtract 4 3/8 by 2 7/8. If you do subtract you would get 2 and -4/8 so you have you take away one from two which would be 1 4/8. Since 4+4 = 8 it would equal half so that the complete answer would be 1 1/2.
Because Jeanette is not very smart. Some could definitely say that a watch is more useful than diamonds. But with if she had diamonds in her possession she could then sell the diamonds and buy all the watches that she wants because diamonds are way more valuable than a watch.
The answer is the text will be arranged in Sequential order, which is the order of steps. At the end of the first paragraph it talks about how it will talk about the steps of putting on a helmet.
Hope this helps, and feel free to ask for my help anytime :)