joli2020
joli2020
03-08-2017
Mathematics
contestada
Please help on this one!
Respuesta :
texaschic101
texaschic101
03-08-2017
n / (8/11) = (2 1/5) / (1 1/7) =
n / (8/11) = (11/5) / (8/7) =
cross multiply
(8/7)(n) = (8/11)(11/5)
8/7n = 8/5
n = 8/5 * 7/8
n = 56/40 which reduces to 7/5 or 1 2/5 <==
Answer Link
Аноним
Аноним
03-08-2017
2 1/5 / 1 1/7 = 11/5 / 8/7 = 11/5 * 7/8 = 77 / 40
n / 8/11 = n * 11 /8 = 11n / 8
11n / 8 = 77/40
55n/40 = 77/40
55n = 77
n = 77/55 = 7/5
Answer Link
VER TODAS LAS RESPUESTAS ( 76+ )
Otras preguntas
Anna makes hand-painted plates. Her overhead cost are $750 per week, and she pays an additional $10 per plate in material cost. If Anna sells the plates for $25
What were the chief provisions in the USA Patriot Act? A. The government could eavesdrop on telephone calls and privileged conversations between prisoners and t
how did the sea dogs help england PLEASE NEED HELP ASAP
jack bought 3 protein bars for a total of $4.26 which equation could be used to find the cost c on dollars of each protein bar ⓐ c\3= 4.26 ⓑ c\4.26=3 ⓒ 3
what is three fourths plus one third plus two sixths
Which best describes cancer cells? Cancer cells cannot enter the circulatory system. Cancer cells grow controllably. Cancer cells attach to organs. Cancer cells
Which additional word or words in the sentence should be capitalized? San josé is just south of san francisco. Choose all answers that are correct. A. South B.
a line is represented by the equation 3x+2y=4. what is another way to represent the same line?
chelsea's little brother packs 7 toys. if each toy weighs 1 3/4 ounces how any ounces does his baa weigh
1. When grocery shopping, _______. Which of the following best completes the sentence above? it is necessary to have a list of needed items a list of needed ite
