Answer:
230
Step-by-step explanation:
17*10=170
12*10*1/2=60
170+60=230
Answer:
-3/2
Step-by-step explanation:
In the picture attached, the complete question is shown.
The expression is:

You can rewrite the first term, expressing the division as a multiplication, that is, inverting the fraction in the denominator, as follows:


The addition of a negative fraction is simply the subtraction by that fraction:



Which can be simplified dividing by two both numerator and denominator:

Answer:
b.
Step-by-step explanation:
Answer:
None of the answers are correct, because 12/15=4/5, it's equivalent to 12 divided by 15.
Step-by-step explanation: