Eight runners are entered in the 100-meter race. How many different first, second, and third place finishes could possibly occur
1 answer:
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Answer:
(a)
(b)
Step-by-step explanation:
<u>Part A</u>
Moving 4 steps left, then moving 9 steps right
When you move left, we indicate with a negative sign while a move right is indicated with a positive sign.
Moving 4 steps left = -4
Moving 9 steps right = +9
Therefore, an expression for the statement is:
<u>Part B</u>
When you lose or owe in word problems, it is usually indicated using a negative sign.
Therefore, the statement Shari lost 2 pencils can be represented with the integer: -2
Since Shari lost 2 pencils on 3 occasions, we simply have: