Question 4
EasyOriginal questionPlan A costs ₹199 a month plus ₹2 for every GB of data used. Plan B costs a flat ₹299 a month with unlimited data. Let be the GB used in a month.
Which inequality says that Plan A costs less than Plan B?
Show the answer and explanation
CorrectNot quiteAnswer C
Correct answer: C
Explanation
Plan A costs rupees for GB.
Cheaper than Plan B: .
Worth noting
puts the per-GB charge on the wrong number.
- Concept
- Writing a cost comparison as an inequality
- Typical timeTypical
- 90 s
- Your timeYours
- —
Practise this chapter →
Ten questions from Numerical Inequalities, at your own pace.