kelsey3096 kelsey3096
  • 01-08-2018
  • Mathematics
contestada

In class 8K, there are 28 pupils. There are two more boys than girls. How many girls are in class 8M?

Respuesta :

xisca xisca
  • 01-08-2018

let boys be y and girls be x so y = x+2

x+x+2 =28 (by the problem)

2x +2 = 28 so 2x= 28-2 so x= 13 so boys are y=x+2 =15

boys 15 girls 13

Answer Link

Otras preguntas

A weak layer within Earth which behaves like a viscous fluid is _________________. a) Asthenosphere b) Lithosphere c) Mesosphere d) Stratosphere
What statistical method summarizes large amounts of data
what is 15 +15 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
I need help ASAP please! I'm taking an assessment and I'm having trouble with a couple questions :c (WHY IS HIGHSCHOOL GEOMETRY SO HARD RAHHH).
use elimination to find the system x+2y=20 and 2x +y=19
Problem Combine the like terms to create an equivalent expression: -k+3k
Please look at the attachment for the question I got 4, 6, -3, -2, 3 (up to down) but it says I got it wrong and I’m confused.
Who can tell the person or family a diagnosis or prescribe treatments? a. Doctor b. Nurse c. Pharmacist d. Physiotherapist
12 Daniel has a blog about how garages buy and sell cars. The scatter diagram gives information about the amount garages pay for one type of car depending on it
What habitat does the red knot prefer