Answer:
38 : 133 and 16 : 56 are equivalent
Step-by-step explanation:
Given
1)
and
2)
and 
Required
Determine which is equivalent
1)
and 

Divide by 19
--- can't be further simplified

Divide by 8

Hence:
and
are equivalent
2)
and 

Divide by 5


Divide by 28

Hence, both are not equivalent.
Answer:
17
Step-by-step explanation:
27, just multiply30 by 9/10
an Integer is a while positive or negative number. so your integer would be 43