Question

(c) x - 6 = 3
High order Thinking Skills (HOTS)
9. The cost b of a book is 13 more than the cost
of a pen. The cost of the penis 8 less than the
cost r of a register. If the register costs 80,
find the cost of the book and the pen.
please tell me first​

Answer 1

Answer:

cost of book = 85

cost of penis = 72

cost of resister = 80

Answer 2

Answer:

cost of book = 13

cost of penis = 8

cost of register = 80

total = 100

Step-by-step explanation:

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