UI Post-UTME Mathematics 2018 (Model questions) Question 1

Question 1

Linear and Simultaneous Equations

Use the information below to answer questions 1 and 2. The weekly cost C of running a household of P people is given by the formula C = 180P + 450.
Find the weekly cost for 5 people

A.₦1,350
B.₦1,500
C.₦1,250
D.₦2,250

Show the answer and explanation

Answer: A (₦1,350)

Explanation

C = 180 × 5 + 450 = ₦1,350.