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Brianna can use the equation y = 5x to calculate her pay, where y represents the amount of pay, and x represents the number of hours worked.

How many hours did Brianna work if she was paid $63.50?

Brianna Can Use The Equation Y 5x To Calculate Her Pay Where Y Represents The Amount Of Pay And X Represents The Number Of Hours Worked How Many Hours Did Brian class=

Sagot :

Indrawboyidn

y = 5x

63.5 = 5x

x = 12.7 hours

The number of hours did Brianna work, if she was paid amount $63.50 as salary, is 12.7 hours.

What is an unknown variable?

Unknown variables are used to find the unknown values of the problem using the algebraic expressions.

To find the values of unknown quantity, the statements of a problem is converted in the algebraic equation using the variable in place of unknown numbers.

Brianna uses the equation to calculate here pay is,

[tex]y = 5x[/tex]

Here y represents the amount of pay, and x represents the number of hours worked.

The number of hours did Brianna work if she was paid $63.50 has to be find out.

As the total amount, Brianna get is $63.50 and this is represented by the variable y in the above equation.

Thus, put the value of y in the above equation to find the value of number of hours as,

[tex]63.50= 5x\\x=\dfrac{63.50}{5}\\x=12.7[/tex]

Hence, the number of hours did Brianna work, if she was paid amount $63.50 as salary is 12.7 hours.

Learn more about the unknown variable here;

https://brainly.com/question/1235185

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