SOLUTION: You are collecting pairs of socks and toothbrushes for charity. After d days, you have collected (4d + 5) pairs of socks and (3d + 7) toothbrushes. How many more pairs of sock

Question 1013319: You are collecting pairs of socks and toothbrushes for charity. After d days, you have collected (4d + 5) pairs of socks and (3d + 7) toothbrushes.
How many more pairs of socks than toothbrushes have been collected on day 7?
Found 2 solutions by fractalier, josmiceli:
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
You would merely subtract expressions, and get
(4d + 5) - (3d + 7) = (d - 2) more pairs of socks than toothbrushes...
Thus on day 7, 7-2 = 5 more pairs of socks...
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
On day 7 pairs of socks collected are:

On day 7 toothbrushes collected are:

----------------

5 more pairs of socks than toothbrushes
were collected on day 7
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