lunam123
lunam123 lunam123
  • 23-10-2020
  • Mathematics
contestada

Frankie washed 15
cars in three hours.
How many cars can
he wash in seven
hours?

It’s either 35 or 41.

Frankie washed 15 cars in three hours How many cars can he wash in seven hours Its either 35 or 41 class=

Respuesta :

s21251876
s21251876 s21251876
  • 23-10-2020

Answer:

35

This means he took 60 mins/5 to wash each car = 12 mins.

7 hours = 7* 60 mins= 420 mins

cars he washed in 7 hours = 420/12 = 35

OR

he took 3 hours to wash 15 cars so he can wash 30 in 6 hours, hs rate = 5 cars/ hour = 30 + 5 = 35

Answer Link

Otras preguntas

How many joules of heat are needed to raise the temperature of 100 g of iron from 23°C to 33°C, if the specific heat of iron is 0. 45 J/g°C
D Question 7 Political ideology provides a framework for which of the following? O thinking about policy issues O thinking about politics O considering the role
the mediterranean diet pyramid represents the dietary patterns of people from parts of the mediterranean region that enjoy multiple choice the lowest adult life
How does social media impact the mental, social and emotional well-being of individuals?
What is the solution to 4x-5(2x-1) <= 7(2x+3)
A control group is a factor that can change over time or under different circumstances True or False?
How does the author contrast his experience as a slave with the experience of the white children?
8. Mr. Bradley decides to give each student two percentage bonus points on their last test for participating in class. Explain how you could change the graph to
If 7 folders cost $3.15, what is the cost per folder?​
What religion would not have been on this map prior to 1517?