x-25? you dont know the value of x there for you can only write out the equation
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Father's age is 5 times his son's age. 4 years back the father was 9 times older than son. Find the fathers present age. a) 45 years b) 40 years c) 50 years d) 35years Cute , he's 40 & the kid is 8 Mathematic explanation: x = father's age y = son's age x = 5y x-4 = 9(y-4) x-4 = 9y-36 x = 9y-32 5y = x = 9y-32 5y = 9y-32 4y = 32 y = 8 x = 5y = 40
16ft x 8ft = 128 sq ft 16in x 8in = 0.88 sq ft
Well the answer is... x(x-2)/2
That would be 8 squared by the way. And the answer is 64
The prime factorization of 378 is 2 x 3 x 3 x 3 x 7 = 378