awhxdeliah awhxdeliah

01-03-2021
Mathematics

contestada

1 of 5
The ratio of boys to girls in a class is 3:5. There are 40 students in the class. How many
students are girls?

Respuesta :

01-03-2021

Answer:

Step-by-step explanation:

ratio is 3:5 and total students are 40

hence 8x=40

x=5

no. of girls is 25 and that of boys is 15

so there are 10 more girls than boys.

Answer Link

Otras preguntas

Why was there growing involvement of the USA in Europe in the years 1945-48 ??

What is the solution to this system of linear equations: y-x=4 and y+2x=1 1) (-1,3) 2) (0,4) 3) (1,-1) 4) (-3,3)

Determine the half-life of potassium if in 3460 years a 200 g sample decayed into 25 g

Why does a pendulum eventually stop swinging?

Put brackets in the expression below so that it's value is 45.024. 1.6 + 3.8 * 2.4 *4.2 (*= times )

The sum of a number and 18 times its reciprocal is 11. Find the number(s). Let x represent the unknown number. The Reciprocal of x is____?

20% of my money is £2.55 What is 2/5 of it?

What are 2 numbers that when multiplied together you get 360 and when added together you get -96

Put brackets in the expression below so that it's value is 45.024. 1.6 + 3.8 * 2.4 *4.2 (*= times )

In what respect does an atom of magnesium differ from a magnesium ion (Mg^{2+})? (A)The ion has a more stable electronic arrangement than the atom. (B)The pos