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Part a: sydney made $18.50 selling lemonade, by the cup at her yard sale. she sold each cup for $0.50 and received a $3 tip from a neighbor. write an equation to
represent this situation. (4 points)
part b: daria made a profit of $21.00 selling lemonade. she sold her lemonade for $0.75 per cup, received a tip of $3 from a neighbor, but also had to buy each
plastic cup she used for $0.10 per cup. write an equation to represent this situation. (4 points)
part c: explain how the equations from part a and part b differ. (2 points)

Respuesta :

a) equation will be  0.5x + 3 = 18.50

b)  equation will be  (0.75x - 0.10x) + 3 = 21.00

What is equation?

An equation is a mathematical statement that is made up of two expressions connected by an equal sign.

a) Sydney made $18.50 selling lemonade.

she sold each cup for $0.50 and received a $3 tip from a neighbor.

let x be the cost  of cup she sold.

equation will be  0.5x + 3 = 18.50

b) Daria made a profit of $21.00 selling lemonade

she sold her lemonade for $0.75 per cup, received a tip of $3 from a neighbor.

equation will be  (0.75x - 0.10x) + 3 = 21.00

c) Sydney don't have to pay for the cups used while Daria paid.

Learn more about this concept here:

https://brainly.com/question/2573476

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