Lemma practice generator linear-system-2x2 #457,502,914 · Algebra · Systems
Two equations, two unknowns
4 pens and 3 notebooks cost 200 together; 9 pens and 1 notebook cost 427. Find the price of one pen and one notebook, as an ordered pair.
Stuck? A gentle nudge
No hints for this one.
Your answer
Loading the math keyboard…
Type naturally — sqrt, pi, / and ^ become notation. Any equivalent form is accepted. Press Enter to check.