How do you translate a problem into an equation ?

Question

How do you write, Carla and Alyssa will share the $31 prize, into an equation ?

Answer 1

Let C = Carla

Let A = Alyssa

C + A = $31

If they share the prize EQUALLY, then

$31/2 = C = $15.50

$31/2 = A = $15.50

And C= A