Two diggers
There are two diggers. One digger digs a pit 77 hours per second, digging 1.2 times faster.
a) how long did digging a pit with a second digger take?
b) how long did it take to dig together?
Your answer:
a) how long did digging a pit with a second digger take?
b) how long did it take to dig together?
Your answer:
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