johnnymonreal9044 johnnymonreal9044
  • 22-04-2021
  • Mathematics
contestada

Write two different

expressions to find the total cost of an item

that costs $a if the sales tax is 6%. Explain

why the expressions give the same result.

Respuesta :

fichoh
fichoh fichoh
  • 23-04-2021

Answer:

Total cost = $a + 0.06a

Total cost = a(1 + 0.06)

Step-by-step explanation:

Given that :

Cost of item = $a

Sales tax = 6%

Total cost = cost of item + sales tax

Total cost = $a + (6% of a)

Equation 1:

Total cost = $a + 0.06a

Equation 2:

Total cost = $a + 0.06a

Total cost = a(1 + 0.06)

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