Answer:

Step-by-step explanation:
As given
if n erasers have a weight of 80 grams .
I.e
n erasera = 80 grams.
1 erasers weight .

Now find out the weight of the 50 erasers.

Simplify the above


Answer:
1/x-2; domain is the set of all real numbers except 2
Step-by-step explanation:
Answer:
1/3
Step-by-step explanation:
60-90 is 30 numbers, right? So it is 30/90, or 1/3
Answer:
I cant help if there is not a picture of the spinner because I dont know how many sections are there.
Step-by-step explanation: