Arthur started school in 1969. He is still living. If he was 7 years old when he started school, how old was he in 1980?
1 answer:
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Answer:
Step-by-step explanation:
Answer:
Approximately 11 baker's dozens equal 1 gross.
Step-by-step explanation:
The number of items in a baker's dozen = 13
The gross = 144 items
So, the number of baker's dozen in a gross
=
=
Hence, approximately 11 baker's dozens equal 1 gross.
