Respuesta :
The number of hamburgers and cheeseburgers that were sold on Wednesday given a total sales of 557 is 250 hamburgers and 257 cheeseburgers respectively.
Equation
- Total number of hamburgers and cheeseburgers= 557
- Number of hamburgers = x
- Number if cheeseburgers = 57 + x
Total number of hamburgers and cheeseburgers = Number of hamburgers + Number if cheeseburgers
557 = (x) + (57 + x)
557 = x + 57 + x
557 = 2x + 57
- subtract 57 from both sides
557 - 57 = 2x
500 = 2x
- divide both sides by 2
x = 500 / 2
x = 250
So,
Number of hamburgers = x
= 250 hamburgers
Number if cheeseburgers = 57 + x
= 57 + 250
= 257 cheeseburgers
Therefore, the number of hamburgers and cheeseburgers that were sold on Wednesday given a total sales of 557 is 250 hamburgers and 257 cheeseburgers respectively.
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Answer:
250
Step-by-step explanation:
The given relations can be used to write an equation for the total number of burgers sold on Wednesday.
Setup
Let h represent the number of hamburgers sold. Then (h+57) is the number of cheeseburgers sold. The total number of burgers sold is ...
h +(h +57) = 557
Solution
Subtract 57 from both sides:
2h = 500
h = 250 . . . . . . divide by 2
There were 250 hamburgers sold on Wednesday.