If three students sit on each bench ,2 benches are left vacant. However, if 2 students sit on each bench 2 students are left standing . How many students are there ?
Answers
Answered by
0
Answer:
this is the correct question mark me as brainleast
Answered by
1
Answer:
the number of students is 48Explanation:
Let the number of students =
y
let the number of benches =
x
from the first statement
y
=
4
x
−
12
(three empty benches * 4 students)
from the second statement
y
=
3
x
+
3
Substituting equation 2 into equation 1
3
x
+
3
=
4
x
−
12
rearranging
x
=
15
Substituting the value for x in equation 2
y
=
3
⋅
15
+
3
=
48
Similar questions