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At a restaurant, a hamburger costs $0.95, and a chicken sandwich costs $1.60. If 20 more hamburgers than chicken
sandwiches were sold in one afternoon, and $103.15 was earned in total, how many hamburgers were sold that afternoon?

Respuesta :

fichoh

The total Number of hamburgers sold is 55

Let :

Number of chicken sold = x

Number of hamburgers sold = 20 + x

The total earning can be related with the equation:

1.60x + 0.95(20 + x) = 103.15

1.60x + 19 + 0.95x = 103.15

1.60x + 0.95x = 103.15 - 19

2.55x = 84.15

Divide both sides by 2.55 to isolate x

x = 84.15 / 2.55

x = 33

The number of hamburgers sold = (20 + x) = 20 + 33 = 53

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