Answer:
Step-by-step explanation:
a)1) As denominators are same, keep the same denominator for the result also
Add the numerators and write the new numerator.
= 2y
20 Reduce to simplest form by dividing the numerator and denominator by GCF
I think division because its big to little
7 times 3 equals 21
therefor you do 12 divided by 3
to get 4
5 routes to go to school library
and 6 routes from the library to back home:
So she has 5 ways to be chosen & 6 ways (back home) to be chosen. then she has all in 5x6 ways = 30 ways
Yes, that number is in standard form.