MathyMcMathster
Answered

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Stefan bought 3 hamburgers and 4 fries for a total cost of $26.50.

Stefan Bought 3 Hamburgers And 4 Fries For A Total Cost Of 2650 class=

Sagot :

yargnits

Step-by-step explanation:

system of Linear Equations 2 variables

hamburger = x

fries = y

Stefan

3x + 4y = $26.5

Nancy

4x + 2y = $29.5

elimination

3x + 4y = $26.5 | ×1 |

4x + 2y = $29.5 | ×2 | -

3x + 4y = $26.5

8x + 4y = $59. -

-5x = $-32,5

x = $-32,5 ÷ -5

x = hamburger = $6.50

I hope this help

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