The answer is y=24 your welcome
Answer:
30/7
Step-by-step explanation:
2 x 10 -13
20 - 13
7
4 x 10 -10
40 - 10
30
Answer:
The given statement is,
(3 * 4) * 6 = 3(4 * 6)
To find (3 * 4) * 6
(3 * 4) * 6 = 12 * 6 = 72
To find 3(4 * 6)
3(4 * 6) = 3 * 24 = 72
Step-by-step explanation:
The result of these two expression is same.
Therefore we can conclude that,
Therefore the correct answer is,
The grouping of the factors is changed but the product is the same.
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Answer:
C = 6.75n + 50
Step-by-step explanation:
The equation for the cost of renting the party room can be written in the form;
C= mn+k ......i
Where C = cost
n = number of people
Substituting the 2 cases into the equation we have,
Case 1
117.5 = 10m + k ......1
Case 2
151.25 = 15m + k .....2
Subtracting eqn 1 from 2 we have
151.25 - 117.50 = 15m - 10m
5m = 33.75
m = 33.75/5 = 6.75
Substituting m = 6.75 into eqn 1, we have
117.50 = 10(6.75) + k
k = 117.5 - 67.50
k = 50
Therefore, rewriting the eqn i, we have
C = 6.75n + 50
