3. Product of two numbers is 9. The reciprocal of one of these numbers is 4 times the reciprocal of the other number. What is the sum of the two numbers?
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3
Answer: so there sum is (3/2)+6=15/2
Step-by-step explanation: it needs to be done by simaltanious equation
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Answer:
15/2 = 7.5
Step-by-step explanation:
ab = 9 ----(1)
1/a = 4/b
a = b/4
b = 4a -------(2)
from equation (1) & (2)
a(4a) = 9 , a² = 9/4
a = 3/2
then , b = 4(3/2) = 2*3 = 6 Sum of these two numbers = a+b =3/2 + 6 = 15/2
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