Question

Two distance are in the ratio 15 : 9, the larger 180 km. Find the smaller distance.

(a) 120 km (b) 108 km (c) 90 km (d) none of these​

Answer 1

Answer:

108km

Step-by-step explanation:

15x=180km

x=12

9x=9×12

108km

Answer 2

Step-by-step explanation:

$\qquad\sf{:}\longrightarrow \dfrac{15}{9}=\dfrac{180}{x}$

$\qquad\sf{:}\longrightarrow 15x=180×9=1620$

$\qquad\sf{:}\longrightarrow x=1620/15$

$\qquad\sf{:}\longrightarrow x=108km$