There are 15 x 4 = <<15*4=60>>60 slices of bread in 4 loaves of bread.

Hence, each of them ate 60/10 = <<60/10=6>>6 slices of bread.

# Answer

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A loaf of bread was sliced into 15. Ten friends bought 4 loaves of bread. If they all eat all 4 loaves equally, how many slices of bread did each of them eat?
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6
A loaf of bread was sliced into 15. Ten friends bought 4 loaves of bread. If they all eat all 4 loaves equally, how many slices of bread did each of them eat?
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