Problema Solution
Half of your baseball card collection got we and was ruined. You bought 13 cards to replace some that were lost. How many did you begin with if you now have 40?
Answer provided by our tutors
let 'x' represent the number of cards you began with
x/2 + 13 = 40
by solving we find:
x = 54 cards
click here to see the step by step solution of the equation:
there were 54 cards to begin with.