(PROBLEM SOLVING ON INTEGERS) During one week, the stock market did the following : Monday rose 18 points, Tuesday rose 31 points, Wednesday dropped 5 points, Thursday rose 27 points and Friday dropped 38 points. If it started out at 1,196 on Monday, what did it end up on Friday?
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Answer:
+1,229 points
Step-by-step explanation:
Integers representation:
Rise: positive (+)
Drop: Negative (-)
Stock market points at the week opening on Monday: +1,196
Ending points at the closing of the week: N
Monday: +18
Tuesday: +31
Wednesday: -5
Thursday: +27
Friday: -38
N = 1,196 + (+18) + (+31) + (-5) + (+27) + (-38)
N = 1,196 + (18+31+27) + (-5-38)
N = +1,196 + (76) + (-43)
N = +1,229 points
N = 1,198 + (