Janie bought a soft drink for $1.50 and some junior size burgers for $1.25 each. she paid a total of $9.00, before tax. write an equation to determine how many burgers janie bought. use x for the unknown.

The equation to determine number of burger Janie bought is .

Step-by-step explanation:

Given:

Cost of soft drink = $1.50

Cost of each junior size of burger = $1.25

Total bill paid = $9.00

We need to write the equation to determine number of burger Janie bought.

Solution:

Let the number of burgers Janie bought be 'x'.

Now we can say that

Total bill paid is equal to cost of soft drink plus cost of each junior size of burger multiplied by number of burgers.

framing in equation form we get;

Hence the equation to determine number of burger Janie bought is .

Now by solving the equation we get;

we will subtract both side by 1.5.

Now Dividing both side by 1.25 we get;

Hence Janie bought 6 junior size burgers.

the graph top, left is y = 4x

i think it is

step-by-step explanation:

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