Answer: It costs $5.52 to Sam to buy 12 stamps.
Step-by-step explanation:
Given: Sam paid $8.28 for 18 stamps.
Thus, the cost of 18 stamps = $8.28
Then the cost of 1 stamp=
Thus, the cost of 1 stamp=$0.46
With the same rate , the cost of 12 stamps=
Therefore, the cost of 12 stamps= $5.52
hence, it costs $5.52 to Sam to buy 12 stamps.
Answer:
7b-c²
Step-by-step explanation:
7times b is 7b reduced by the square of c means minus c²
The answer is dividing each bottle size by its cost I took the test and I got it right <span>
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Answer=
y=-3+3
y=0
the sum of -3+3 is zero.