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QuestionWhich day had the greatest change in visitors compared to last year: Monday (+127), Tuesday (-18), Wednesday (+19), Thursday (-209)? Also, find the absolute value of -47.

Studdy Solution

STEP 1

Assumptions1. The numbers given for each day represent the change in the number of visitors compared to the same day last year. . A positive number indicates an increase in visitors, while a negative number indicates a decrease.
3. The greatest change is determined by the absolute value of the change, regardless of whether it's an increase or decrease.

STEP 2

We need to find the absolute value of the change in the number of visitors for each day. The absolute value of a number is its distance from zero on the number line, regardless of direction. It's represented as |number|.
∣Monday∣=∣+127∣|Monday| = |+127|∣Tuesday∣=∣−18∣|Tuesday| = |-18|∣Wednesday∣=∣+19∣|Wednesday| = |+19|∣Thursday∣=∣−209∣|Thursday| = |-209|

STEP 3

Calculate the absolute value for each day.
∣Monday∣=127|Monday| =127∣Tuesday∣=18|Tuesday| =18∣Wednesday∣=19|Wednesday| =19∣Thursday∣=209|Thursday| =209

STEP 4

Now, we compare the absolute values. The day with the largest absolute value had the greatest change in the number of visitors.
So, the day with the greatest change in the number of visitors compared to the same day last year is Thursday.

STEP 5

The next part of the problem asks for the absolute value of -47.∣−47∣|-47|

STEP 6

Calculate the absolute value of -47.
∣−47∣=47|-47| =47So, the absolute value of -47 is47.

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