Mathematics, 16.05.2021 04:00, MZ2017

. A student bought a book for $7.50 and a pen. The total cost was $9.50. Which of the following equations can be used to find the cost of the pen? A p = 7.5b B p = 9.5b C 9.50 +p = 7.50 D 7.50 + p = 9.50

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. A student bought a book for $7.50 and a pen. The total cost was $9.50. Which of the following equa...