Answer:
7.5
Step-by-step explanation:
Let M represent the cost of a whiteboard marker.
10(3M + $2.75) = $177.50
3M + $2.75 = $17.75
3M = $15
M = $5
Hence, each whiteboard marker cost $5.
Answer:
<h2><u><em>
x = -18</em></u></h2>
Step-by-step explanation:
X=20=-x+2 can you solve this?
assuming that the equation is:
20 = -x + 2
x = -20 + 2
x = -18
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Part a) is b part b) is b to