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Answer:
Step-by-step explanation:
Formula
r = amount / time
Givens
amount = 3/10
time = 2/5
Solution
r = 3/10 // 2/5
Invert the denominator (2/5) and multiply rather than divide.
r = 3/10 * 5/2 Cancel 5 into the 10
r = 3/2 * 1/2
answer: r = 3/4 chord / hour
Subtitute y with 3 - x in the second equation to find the value of x
2x + 4y = 6
2x + 4(3 - x) = 6
2x + 12 - 4x = 6
-2x + 12 = 6
-2x = 6 - 12
-2x = -6
x = -6/-2
x = 3
Subtitute x with 3 to the first equation
y = 3 - x
y = 3 - 3
y = 0
The solution is (3,0)
x = 3
y = 0
