A transport company in Chennai charges a fixed booking fee and a per-km rate. Equations: x + 10y = ₹500, x + 15y = ₹700. Find the fixed fee (x). A. ₹50 B. ₹100 C. ₹200 D. ₹250 Answer: B) ₹100 Explanation: Using matrix method or elimination: D = 15 - 10 = 5. Dx = (500)(15) - (700)(10) = 7500 - 7000 = 500. x = 500 / 5 = ₹100.

imo class 12 determinants

A transport company in Chennai charges a fixed booking fee and a per-km rate. Equations: x + 10y = ₹500, x + 15y = ₹700. Find the fixed fee (x).

VAVidaara Admin Asked 6d ago 0 views 0 answers

A transport company in Chennai charges a fixed booking fee and a per-km rate. Equations: x + 10y = ₹500, x + 15y = ₹700. Find the fixed fee (x).

Answer: B) ₹100

Explanation: Using matrix method or elimination: D = 15 - 10 = 5. Dx = (500)(15) - (700)(10) = 7500 - 7000 = 500. x = 500 / 5 = ₹100.

No comments yet — start the discussion.