pinkyjayalykinpen
pinkyjayalykinpen pinkyjayalykinpen
  • 22-10-2021
  • Mathematics
contestada

In a class of 52 students, 16 are science students. If I/3 of the boys and 1/4 of the girls are science students, how many boys are in the class? ​

Respuesta :

BillRockwell
BillRockwell BillRockwell
  • 26-10-2021

Answer:

36

Step-by-step explanation:

x = # of boys, y = # of girls

x/3+y/4=16; mult. ea side by 12: 4x+3y=192 (1)

x+y=52; mult. ea side by 3: 3x+3y=156 (2)

(1)-(2)=x=36

Answer Link

Otras preguntas

Another way of saying “has a high population density” is _____. A)populated B)scattered C)sparse D)crowded
which market control measures between price floor and ceiling is applicable in labour market
As the temperature of an object rises, so does the A. kinetic energy of the object. B. mass of the object. C. thermal energy of the object. D. potential ener
What is an extrovert?
How does geography affect economic activity in South Asia? A) Being surrounded by the Arabian Sea and the Indian Ocean limits trade in India. B) The Himalayas p
Holding supply constant, an increase in demand will A) increase both the quantity and price. B) increase the equilibrium price and decrease the equilibrium quan
A scientist is tracking an object orbiting the Sun that is found between Mars and Jupiter. In order to classify the object as an asteroid, it must be at least (
was the assignment of General Ulysses S. Grant to overall command in the eastern campaign truly a important, or was a northern victory inevitable? 5
Animals that mimic poisonous or dangerous animals use a defense called mimicry.
if a chicken farm sold 3,000 eggs last week hoe many individual eggs were sold