Jenny received a $30.50 gift card for a photo center. She used it to buy prints that cost 20 cents each. The remaining balance, B (in dollars), on the card after buying x prints is given by the following. b=−30.50-0.20x
What is the remaining balance on the card if Jenny bought 30 prints?

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Ответ:

lbbeanss

16.04.2023

Mathematics

It is p(a)+p(b)-p(a∩b)

=2/3 + 1/5
=13/15
(c)

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Jenny received a $30.50 gift card for a photo center. She used it to buy prints that cost 20 cents each. The remaining balance, B (in dollars), on the card after buying x prints is given by the following. b=−30.50-0.20x What is the remaining balance on the card if Jenny bought 30 prints?