scarlettrimmer scarlettrimmer

03-03-2021
Mathematics

contestada

There are 15 children at a birthday party.
The mean age of the 15 children is 7 years.
9 of the 15 chadren are boys.
The mean age of the boys is 5 years.
Work out the mean age of the girls.

Respuesta :

ashundeiji45 ashundeiji45

03-03-2021

Answer:

3

Hope this helps! Have a nice life and Good Luck!

Answer Link

Otras preguntas

Forecast the 2019 Cost of goods sold on the previous year’s number and the assumptions 2018 Actual 2019 Estimate Sales Growth 6% 8% Gross Margin 40% 40% Revenu

Students use a microscope to look for structures present in four different cells. The students placed an X for each structure that was viewed for each cell on t

Which country established St. Augustine in current state of Florida. A.Portugal B. England C. France D. Spain

b) Does hot water or cold water have more energy? Give evidence for your answer. c) What is the relationship between temperature and the movement of particles?

B= 2A and 2C=A if A+B+C= 7 find C

two distinct positive integers $x$ and $y$ are factors of 36. if $x\cdot y$ is not a factor of 36, what is the smallest possible value of $x\cdot y$?

a. television is intended to distract people from their emotions. b. part of being equal is that everyone in 2081 is given the same handicaps. c. george believe

still thinking about the stories structure, what has bierce skillfully done with part ii and the majority of part iii in this story?

Which specific policy is this cartoon a commentary on? A. the veto of the Second Bank of the United States B. the Indian Removal Act C. the Nullification Crisis

monroe county levies a tax on the value of real property located within the county. the tax equals 3 percent of the property's assessed value up to $2 million p