Maths4U
Menu

Exam-Style Problem

Back to Two-variable constraints
Browsing as Guest. Progress, bookmarks and attempts are disabled. Log in to track your work.
Stage 9 - Q6 - 3 marks
19752

A purchase initially satisfies \(2x+3y=30\). Only adult tickets are added, and the new cost is USD 45. How many adults were added?

Hint

Subtract the two cost equations.

No problems left in this filter.
Back to Two-variable constraints