SAT, 09.10.2021 09:40, angelinararr5783

Lea and Marie are washing all the windows in their house. It would take Lea 80 minutes to wash the windows by herself, and it would take Marie 60 minutes to wash them by herself. Lea creates a table so she can find out how long it will take to wash the windows if they work together. What is the missing value in the table that represents the rate for Marie? A table showing Rate in part per minute, Time in minutes, and Part of Windows Washed. The first row shows Lea, and has StartFraction 1 Over 80 EndFraction, t, and StartFraction 1 Over 80 EndFraction t. The second row shows Marie, question mark, t, and StartFraction 1 Over 60 EndFraction t. StartFraction 1 Over 60 EndFraction t 60 StartFraction 1 Over 60 EndFraction tt 60t

Answers: 2

Show answers

Other questions on the subject: SAT

SAT, 26.06.2019 00:00, Jonah58

17 a tourist was planning a trip by car for travelling at some constant speed for 2.5 hours. however, he found that if he increases the speed by 20 km/h he can cover the same distance in 30 minutes less time than it was planned. what was the planned speed of the tourist, in km/h?

Answers: 1

continue

SAT, 26.06.2019 05:30, Gwapecwupcakes

In an ecosystem, marsh snails feed on phytoplankton and painted turtles feed on marsh snails. pollution has resulted in the depletion of phytoplankton. what effect would this situation likely have on the population of marsh snails and painted turtles? as phytoplankton were destroyed, the population of marsh snails would most likely then the population of painted turtles would mostly likely a. 1. increase 2. decrease 3. stay the same b. 1. increase 2. decrease 3. stay the same

Answers: 1

continue

SAT, 26.06.2019 12:00, ayoismeisjjjjuan

Living organism in our word are connected to other variety of ways

Answers: 1

continue

SAT, 27.06.2019 01:00, alexandroperez13

How do we determine if they are made with matter

Answers: 1

continue

Do you know the correct answer?

Lea and Marie are washing all the windows in their house. It would take Lea 80 minutes to wash the w...