Three identical notebooks and two identical pens cost 760 rubles together. One notebook costs 120 rubles. How many rubles does one pen cost?
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- Find the cost of 3 notebooks at 120 rubles each.
- Divide 760 − 3 × 120 by 2.
Show the answer and solution
Answer: 200
Three notebooks cost 3 × 120 = 360 rubles. The two pens cost 760 − 360 = 400 rubles, so one pen costs 400 ÷ 2 = 200 rubles.