Answer:
Explanation:
x + (x + 4) = 8
2x + 4 = 8
2x = 4
x = 2
2
Let the number of blackberries be b, and the number of raspberries be r.
From the two pieces of information in the question,
r=b+4
r+b=8
Substituting the first into the second,
b+4+b=8
2b+4=8
b=2
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