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Lera25 [3.4K]
3 years ago
6

A local hamburger shop sold a combined total of 719 hamburgers and cheeseburgers on Sunday.There were 69 more cheeseburgers sold

than hamburgers.How many hamburgers were sold on Sunday?
Mathematics
2 answers:
Colt1911 [192]3 years ago
3 0

Answer: 290 hamburgers sold on Sunday.

Step-by-step explanation: First, divide 719 by 2. You should get 359. Then, subtract 359-69= 290 hamburgers sold. Then, subtract 719-290= 429 cheeseburger sold. Finally, 290 hamburgers were sold on Sunday.

I hope this helps!

xenn [34]3 years ago
3 0

Answer:

325 hamburgers

Step-by-step explanation:

1. first create an equation for the total number of burgers sold (h represents hamburgers and c represents cheeseburgers): h+c=719

2. next create an equation for cheeseburgers: c=h+69

3. find number of hamburgers (put cheeseburger equation into the original equation formed in step one): h+(h+69) = 719

4. find number of hamburgers (subtract 69 from both sides then divide by 2 to find the number of hamburgers): 719-69 = 650/2 = 325

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------ + --------------- =  ----------
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      1            1                 10
    ------ + ------------ =  ----------
      x          x +4               7x


       x + 4 + x           10               
   ------------------ =  ----------
       x(x +4)             7x

       2x + 4                10               
 ------------------ =  ----------
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    7x(2x + 4) = 10x(x+4)
  
  14x^2 + 28x = 10x^2 + 40x

  4x^2  - 12x = 0
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answer x = 0 and x = 3




8 0
3 years ago
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Step-by-step explanation:

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Thus, f = 1, k = −4.

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