Answer:
(x + y) = a
Step-by-step explanation:
x = 40a/100 = 2a/5
y = 60a/100 = 3a/5
(x + y) = (2a/5 + 3a/5)
= (2a + 3a)/5 = 5a/5 = a
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Verified answer
Answer:
(x + y) = a
Step-by-step explanation:
x = 40a/100 = 2a/5
y = 60a/100 = 3a/5
(x + y) = (2a/5 + 3a/5)
= (2a + 3a)/5 = 5a/5 = a
Y (60/100) = a
40X/100 + 60Y/100 = a