Answer:
6
Step-by-step explanation:
The ratio of boys to girls is 2:5
let the number of boys be 2x -------(i)
and number of girls be 5x
and the total number of students is 21
therefore we know that..
2x+5x = 21
on solving for x,
7x=21
x= 21/7
x=3
now, by putting the value of x in (i),
2x = 2×3 = 6
therefore, there are 6 boys in the classroom.
you find the no. of girls similarly.
hope it helps !!...
PLEASE MARK BRAINLIEST ♡
Answer:
nosee
Step-by-step explanation:
What is it? can you write out the problem.
<h2>Given:-</h2>
y = 2x + 50
x = 5
So,
y = 2(5) + 50
y = 10 + 50
y = 60
Hence, option B, y = 60, is correct.
<h2>
Hope it helps...</h2>
