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Camila wants to buy raspberries and pears to make a fruit tart. Raspberries cost $4 per pound and pears cost $3.25 per pound. How much does she spend if she buys 2.5 pounds of raspberries and 2 pounds of pears? How much does she spend if she buys x pounds of raspberries and y pounds of pears?

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adioabiola

The total cost of raspberries and pears if she buys 2.5 pounds of raspberries and 2 pounds of pears is $16.5.

Algebra

  • Cost of raspberries per pound =$4
  • Cost of pears per pound = $3.25

  • If she buys 2.5 pounds of raspberries and 2 pounds of pears

Total cost = (Cost of raspberries × pounds of raspberries) + (Cost of pears × pounds of pears)

= (4 × 2.5) + (3.25 × 2)

= 10 + 6.5

= $16.5

  • if she buys x pounds of raspberries and y pounds of pears?

Total cost = (Cost of raspberries × pounds of raspberries) + (Cost of pears × pounds of pears)

= (4 × x) + (3.25 × y)

= 4x + 2y

Therefore, the equation that can be used to represent the total cost of raspberries and pears given the cost per pound of raspberries and pears is 4x + 2y.

Learn more about algebra:

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