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MK100
MK100
27.06.2020 • 
Mathematics

01:42:01 Elias and Niko are polishing the silver at the heritage museum. Elias could polish all the silver himself in 40 minutes. That
task would take Niko 50 minutes to complete alone. Which table is filled in correctly and could be used to determine how
long it would take if Elias and Niko polished the silver together?
Rate Time
(part/min) (min)
Part of
Silver
Polished
1
401
Elias
1
t
Niko
40
1
50
1
1
50"
Rate Time
(part/min) (min)
Part of
Silver
Polished
o
Elias
1
40
40'
Niko
r
1
1
50
50
Rate Time
(part/min) (min)
Part of
Silver
Polished
401
501
Elias
Niko
40
50
1
1
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