Answer:
The LCD in 1/30 + 1/24 is <u>90</u>.
Answer:
852 students walking to school
Step-by-step explanation:
Lets start with a simple example so you can get it
if 60% of 100 students walk to school that means
60 students walk to school... right??
so lets simplify it more that means you have multiplied 100 (students) by 60%
or
(note: you can say that 60% is equal to
)
so the problem told 60% of 1420 students walk to school that means we should
do this: 
Im not sure use a caculator with it