Question 3
The product of two numbers is 1575 and their quotient is $$\frac{9}{7}$$ Then the sum of the numberis
Solution
given, x*y = 1575 and x/y = 9/7.
So x = 9y/7
hence , (9y/7)*y = 1575
y^2 = (7/9)*1575 = 1225
y = (+/- 35.)
If y = 35, then x = 1575/35 = 45
. If y = -35, then x = -45.
So there are two solution sets, namely {45, 35} and {-45, -35)
And according to the options, the ans will be 45, 35.
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