Posted by christal on Tuesday, October 2, 2007 at 4:14pm.
a class has 18 classes with 35 students in each class. in order to reduce the class size to 30,how many new classes must be formed?

math  Ms. Sue, Tuesday, October 2, 2007 at 4:41pm
First we need to find out how many students the class has now.
18 x 35 = ?
Divide that answer by 30 to find how many classes must be formed.
18*35 = x/30
Solve for x 
math  christal, Tuesday, October 2, 2007 at 4:47pm
a school has 18 classes,with 35 students in each class.in order to reduce the class size to 30, how many new classes will be formed?
a)2
b)3
c)5
D)6
e)8 
math  Ms. Sue, Tuesday, October 2, 2007 at 4:49pm
Take the answer you got above and subtract 18 from it to find how many new classes must be formed.

math  christal, Tuesday, October 2, 2007 at 4:50pm
so maythe answer be 3?

math  Ms. Sue, Tuesday, October 2, 2007 at 4:53pm
Yay! You've got it! :) The school needs to form 3 new classes.