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one task takes 7 mins

one task takes 7 minssecond task takes 12 min third task takes 21 nin how long dids the 3 tasks take, as a fraction of a hour
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2. asked by patti help
3. 624 views
An artist paints t shirts. It takes 15 mins to set up and 40 mins to clean up. Once it is set up it takes the artist 12 mins to
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2. asked by Ravi
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Having trouble knowing where to start with this one:A maker of tools claims the average amount of time it takes to assemble a
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2. asked by Len
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Gentry is training for a marathon. She increases the amount of time she runs by 5 mins. each day to build up her endurance. On
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2. asked by Jaz
3. 22 views
a radioactive material is undergoin nuclear decay. After 40 minutes, 25% of the sample remains. What is the half life of the
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2. asked by star
3. 746 views
Give these amounts to the nearest hour:a) 2 hours 12 mins b) 36 mins c) 12 hours 12 mins d) 29 mins e) 100 mins f) 90 mins
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2. asked by Antony Joseph
3. 83 views
Time taken in mins for student to walk to school.1-5 mins (4 students) 6-10 mins (7 students) 11-15 mins (10 students) 16-20
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2. asked by Keisha
3. 645 views
How long is a quarter in professional basketball team? A. 8 mins b. 9 mins c. 12 mins d. 15 mins
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2. 23 views
Wwhen woulld is be appropraye to consider a sports drink instead of water to re-hydrate?A. When lifitng heavy wweights for 30
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2. 64 views
A plane takes off from Lagos at 10.30a.m. it flies to Accra in 65 mins, makes a stop of 40 mins at Accra airport. And then flies
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2. asked by lizzy
3. 3,075 views