Barb walked 1.3 miles to her friend's house and then 3/4 mile to the library. How far did Barb walk in all?
2 answers:
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Let's say the first number is -a, so "a" will be some positive value, and we multiply -1 to it, we get the -a
a consecutive number from it, is either, ahead or before it, so, -a + 1 or -a -1, is a consecutive integer, hmm let's use -a + 1 then
so, the two numbers are -a and -a + 1
we know their product is 600
we use the positive one, because we're using -1 in front of the "a"
what's the lesser integer? well, what's -a+1? which one is lesser?
a consecutive number from it, is either, ahead or before it, so, -a + 1 or -a -1, is a consecutive integer, hmm let's use -a + 1 then
so, the two numbers are -a and -a + 1
we know their product is 600
we use the positive one, because we're using -1 in front of the "a"
what's the lesser integer? well, what's -a+1? which one is lesser?