Respuesta :

105=.7x
x=105/.7
x=150
The price of the microwave before sale was $150

The price of the microwave before the sale is $150 and this can be determined by using the unitary method.

Given :

  • Javier brought a microwave for $105.
  • The cost was 30% off the original price.

The following steps can be used in order to determine the price of the microwave before the sale:

Step 1 - The unitary method can be used to determine the price of the microwave before the sale.

Step 2 - Remember according to the given data, $105 is 70% of the total price of the microwave.

Step 3 - If the 70% price is $105 then the 100% price is given by:

[tex]=\dfrac{105}{70}\times 100[/tex]

Step 4 - Simplify the above expression.

= $150

The price of the microwave before the sale is $150.

For more information, refer to the link given below:

https://brainly.com/question/19423643

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