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Mark and Don are planning to sell each of their marble collections at a garage sale. If Don has 2 more than 3 times the number of marbles Mark has, how many does each boy have to sell if the total number of marbles is 78 ?

Respuesta :

3x+2 is how many don has, and mark has x marbles, then 4x + 2 is the total, and x = 19, then your answers are 19, and 59.
poona2339

Don has 59 and Mark has 19

What is the equation?

An equation is a mathematical expression that contains an equal symbol. Equations often contain algebra. Algebra is used in math when you do not know the exact number in a calculation.

Types of Equations

  • Linear Equations
  • Quadratic Equations
  • Cubic Equations

Mark + Don = 78 marbles

Let, M = Mark and D = Don

M = 78-D We'll use this value for M next:

D = 3M+2

D = 3(78-D)+2

D = 234-3D+2

4D = 236

D = 59

Don has 59 and Mark has 78-59 = 19

Learn more about factors in equation here

https://brainly.in/question/14263713

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