Question
Some pens and notebooks were packed into red and blue packets. There were 7 more red packets than blue packets. Each red carton contained 10 pens and each blue carton contained 12 notebooks. Given that there were 22 fewer pens than notebooks in total, how much pens were there?
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Some pens and notebooks were packed into red and blue packets. There were 7 more red packets than blue packets. Each red carton contained 10 pens and each blue carton contained 12 notebooks. Given that there were 22 fewer pens than notebooks in total, how much pens were there?