Mathematics, 14.05.2021 17:10 zfismael

Gary buys a box of mechanical pencils, and a tube of 8 refill leads. Each pencil contains 3 leads. Gary puts the tube of refill leads into his pencil case, then adds one pencil at a time. What is the algebraic expression for the number of leads in the pencil case for any number of pencils?

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Gary buys a box of mechanical pencils, and a tube of 8 refill leads. Each pencil contains 3 leads. G...