What is in extraneous solution to the equation b/b-7 - 2/b = 7/ b-7 ?
1 answer:
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Answer:
$0.80 per notebook
$0.40 per pencil
Step-by-step explanation:
To find the rate, we need to determine how much each item costs. That is, the cost per item.
Given that,
4 notebooks = $3.20
The cost of 1 notebook/rate =
Rate = $0.80 per notebook
Given that,
12 pencils = $4.80
The cost of 1 notebook/rate =
Rate = $0.40 per pencil.