5. Divide 25 into two parts such that 7 times the first part added to 5 times the second part makes
139.
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3
Answer:
Let the two parts be x and y
Given,
7x+5y = 139
x+y = 25
By substitution or eliminmtaion method, we get
x = 7
y = 18
Step-by-step explanation:
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