Answer:
Step-by-step explanation:
Given:
Cost of L = $5
Cost of S = $3
No. of drinks sold = 60 drinks
Total sale = $220
Solution:
L + S = 60 - (1) (multiplying by 3)
5L + 3S = 220 - (2)
(-)3L +(-) 3S = (-)180 - (1)
2L = 40
L = 40 / 2
L = 20 Large drinks
20 + S = 60
S = 60 - 20
S = 40 small drinks
Therefore, 20 large drinks and 40 small drinks
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-3k + 4x - 6k - 7x
Since the variables are not all alike, we will seperate them into two equations based on the variables.
-3k + 6k
4x - 7x
Now find the answers to the equations.
-3k + 6k = 3k
4x - 7x = -3x
Since these answers are unlike variables, the answer to the problem is 3k - (-3x).
Hope this helps!
The answer is reflexive property of congruence
Answer:
a plane
Step-by-step explanation:
Answer:
The Length of monitor is 14.84 inches And Width of monitor is 11.87
Step-by-step explanation:
Given as :
The length of diagonal of rectangular monitor = 19 inches
The length to width ratio is 5:4
So , Let the Length of monitor = 5x
and The Width of monitor = 4x
Now, From Pythagoras theorem
(Diagonal)² = Length² + width²
Or, 19² = (5x)² + (4x)²
Or, 361 = 25x² + 16x²
Or, 41x² = 361
So, x² = 8.804
∴ x = = 2.967 inches
So, The length = 5x = 14.835 inches
And The width = 4x = 11.868 inches
Hence The Length of monitor is 14.84 inches And Width of monitor is 11.87 Answer