Answer:
20<
Step-by-step explanation:
You have the following expression:

By definition, when you want to express a fraction as a decimal number, you must divide the numerator by the denominator. Knowing this, you get the following:

You can identify that:

Based on the above, you can determine that the best estimate for the sum is:

The answer is option d:
800 + (7/6) + (7x9)
800 + 1/1/6 + 63
= 864/1/6
(This us the possible calculation that I got)
Multiply should be done first before addition.
I like pumpkins and you should too. The valiue of a is 2