Answer:
87.5 $
Explanation:
Cost of buying 1 pajama= 12.5 $
Cost of buying 2 pajamas= 2 x 12.5
= 25 $
Similarly,
Cost of buying 7 pajamas= 7 x 12.5
= 87.5 $
∴ it will cost her 87.5 $ if she decides to buy a seventh pair of pajamas for herself.
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