Francis can buy 7 shirts for $42 or 8 shirts for $48. How much will she pay for nine?
2 answers:
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We are asked to evaluate .
- The notation |x| denotes absolute value.
The absolute value of a number is its distance from zero.
Absolute value is always positive; distances can't be negative, right?
So we need to find the absolute value of 98, which is:
Remember this...
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