Answer:
10 teachers
Step-by-step explanation:
Looking at the data provided, we can conclude that for 1800 students, there are 90 teachers.
1:20
When more teachers arrive, it then becomes, for every 1800 students, there are 100 teachers.
1:18
10 more teachers have now joined the school.
a.
n=14
do 28/2=<em><u>14</u></em>
5/4
, open the bracket
3=28-14u-6u
Collect like terms
3-28=-14u-6u
-25 =-20u
Divide both side by -20
u=-25/-20. Minus sign will cancel each other and reduce to the lowest term
u=5/4
