Smosley78
Smosley78
17-04-2018
Mathematics
contestada
Please help with this algebra question
Respuesta :
aencabo
aencabo
17-04-2018
let a = number of adults
c= number of children
c+a = 174
2c + 15a = 855
substitute equation 1 to 2
we get:
a = 39
c = 174-39 = 135
Answer Link
VER TODAS LAS RESPUESTAS ( 61+ )
Otras preguntas
Hai tiếp điểm hình trụ bằng đồng có đầu hình cầu bán kính R = 70mm, lực ép tiếp điểm F = 100N, Mô đun đàn hồi của đồng là 11.8 * 106(N/cm2). Cho biết: a = 0.86
Help needed only if you can explain!!
if I simplify the formula -3 (-10)+5(-10)=
Select the true statement about Triangle ABC.
Indicar clases y subclases de las palabras que forman el siguiente texto: En Alta Gracia la gente sabía que él era el mejor y el más arriesgado de todos y su va
Over ten years, the population of fish in a lake increases by 3%. After the increase, there are 10,094 fish. Which expressions are equivalent to the number of f
Find the length of side x
Which object was closest to the color blue on the color spectrum? Select one: a. Betelgeuse b. Sirius c. Spica d. Sun
option are cerebrum, cortex, cerebellum, brain stem, medulla, pons, midbrain , thalamus, hypothalamus, reticular formation1.________regulates and maintains brai
Using the CelsiusTokelvin function as a guide, create a new function, changing the name to KelvinToCelsius, and modifying the function accordingly using namespo