Answer:
g(x) 1/3-4
Step-by-step explanation:
3d - e = 7d + e = 5 ⇒ 3d - e = 5
7d + e = 5
3d - e = 5
7d + e = 5 +
-----------------------
10d / = 10
10d = 10
d = 10/10
d = 1
7d + e = 5
7×1 + e = 5
7 + e = 5
e = 5 - 7
e = -2
$18 (if each shirt costs the same, 54/3 = 18)
Answer:
A sandwich costs $7.5
Step-by-step explanation:
Given
Represent chips with c and sandwiches with c
From the question, we understand that 5 sandwiches were ordered.
Hence, the question of the system is:
Substitute values for Total and c
Collect Like Terms
Divide both sides by 5
Answer:The answer is Mean or Median
Step-by-step explanation:
Mean represents the average of a set of values which is gotten by adding the miles then diving by the total number .
Mean generally gives you the average ,so it is the best means to get the number of miles and it is also the most frequently used
Median is the mid number (s) in a data set .
Median is useful in this data because there are some missing values in the data .
