Question

A number is multiplied and divided by the number 719 The difference between the two results is 312. The given number is:

(a) 133

(b) 49

(c ) 19

(d) 7

Answer 1

Answer:

49 is the correct answer of this question

Answer 2

(a) 133

Step-by-step explanation:

Let the number = x

$(x \div \frac{7}{19} ) - (x \times \frac{7}{19} ) = 312 \\ \frac{19}{7} x - \frac{7}{19} x = 312 \\ \frac{361x - 49x}{133} = 312 \\ 312x = 312 \times 133 \\ x = 133$