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:answer is 28.00065 hope this helps
Step-by-step explanation:
Answer:
cosine
Step-by-step explanation:
the equation would be y = 30 + x and if your brother will read for 15 minutes then you'll read for 45 minutes i believe.
Y=2/3x
The y-intercept is zero, and the slope is 2/3