A bird eats 7 x 4 = <<7*4=28>>28 berries in 4 days.

So, 5 birds can eat 28 x 5 = <<28*5=140>>140 berries in 4 days.

# Answer

140
Question:
A bird eats 7 berries a day. Samuel has 5 birds. How many berries do Samuel's birds eat in 4 days?
Answer:
Let's think step by step.

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140
A bird eats 7 berries a day. Samuel has 5 birds. How many berries do Samuel's birds eat in 4 days?
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