Mathematics, 13.06.2021 03:40 chapmel20
Two persons work together at the local aquarium. It takes the first person 120 minutes to clean the jellyfish tanks. Since the second person is new to the job, it takes him longer to preform the same task. When working together, they can perform the task in 70 minutes. How long does it take the second person to do the task by himself?
Answers: 3
Mathematics, 21.06.2019 13:00
Which measurement is the most precise? a) 29 cm b) 28.8 cm eliminate c) 28.76 cm d) 28.762 cm
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Mathematics, 21.06.2019 16:20
Find the value of x for which abcd must be a parallelogram -9-6x x-30
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Mathematics, 21.06.2019 19:30
If you can solve all of these i will give ! - 4% of 190 - 4% of 162.5 - 4% of 140 - a 4% increase from 155.1 - a 4% increase from 159.8
Answers: 2
Mathematics, 21.06.2019 21:00
Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out
Answers: 2
Two persons work together at the local aquarium. It takes the first person 120 minutes to clean the...
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