Question

The product of two numbers is 105. One of the number is (– 21). What is the other number?

Answer 1

Let the no. be x

so -21 *x=105
x=-105/21
x=-5

hope it helps to you.

Answer 2

Solution :

Let x and y are two numbers .

x = -21 ( given )

product of two numbers = 105

xy = 105

=> ( -21 ) y = 105

=> y = 105/( -21)

y = -5

Therefore ,

Second Number = y = -5

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