The number of stamps that Jimmy had at the beginning is 76.
j + s = 167 equation 1
number of stamps Jimmy had left = number of stamps that Simon had left
j - 37 = s - 4/7s
j - 37 = 3/7s
j - 3/7s = 37
7j - 3s = 259 equation 2
Where:
Multiply equation 1 by 3
3j + 3s = 501 equation 3
Add equation 1 and 2 together
10j = 760
j = 76
Here is the complete question:
Simon and Jimmy had 167 stamps altogether. Simon gave 4/7 of his stamps to Trina, and Jimmy gave 37 stamps to Trina. Simon and Jimmy had the same number of stamps left. How many stamps did
Jimmy have in the beginning?
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