tweinstein119 tweinstein119
  • 13-09-2021
  • Mathematics
contestada

At a local store, 3 books and 6 games cost $78.00, and 6 books and 4 games cost $91.20. How much
does one book cost?

Respuesta :

890232215
890232215 890232215
  • 16-09-2021

Answer:

Step-by-step explanation:7 less than the product of a number and 8, increased by a number multiplied by 2

We need to write the given statement in an expression

Lets 'n' be the unknown number

the product of a number and 8

Product means multiplication

the product of a number and 8 mean n times 8 that is 8n

7 less than the product of a number and 8, subtract 7 from 8n

Expression becomes 8n-7

This is increased by a number multiplied by 2

number multiplied by 2 is 2n

So the final expression for the given statement is 8n-7 +2n

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