Answer:
E. he multiplied 9 and 0.7 incorrectly.
Step-by-step explanation:
Answer:
4+3x
It's pretty straight forward, you have the number 4 that is added to the rest of the expression because sum is addition, and the product of 2 numbers is multiplication so it would make 3(x) or 3x, which results in 4+3x.
Given:
Total number of problems = 24
Michael completed
of his homework in
of an hour.
To find:
What fraction of his homework would he complete in one hour.
Solution:
We have,
Part of work done in
of an hour 
Part of work done in an hour 

Therefore, he complete
of his homework in 1 hour. Hence, all options are incorrect.
Answer:
Check the ppicture i sent you i think it would help
.72
.725 would be less because it has more behind the decimal.
.72 would be more because there are only 2 numbers behind the decimal