10 and12 is the correct answer
Answer:
a
Step-by-step explanation:
everything else there are gaps in between like b and in c they are overlapping
Answer:
30
Step-by-step explanation:
he will still have extra but not enough to make another bag
Answer:

Step-by-step explanation:
Before adding we require the fractions to have a common denominator
The lowest common denominator of 2, 5 and 3 is 30, thus
+
+ 
=
+
+ 
Add the numerators leaving the denominator
=
= 
No because you don't know how many places are in the number
ex:843 and 3257
there are 4 places in 3257 and only 3 places in 843