Estimate 12% of 77.

6

12

8

10

new answer with estimate= 10 old answer=

Step-by-step explanation:

Use this method percent proportion

 or  

12% of 77

Steps:

1. Make a proportion with the method percent proportion.
2. After setting up numbers in proportion cross-multiply.

3. Make 100x because we don't know the value of x.

4. After multiplying 12 x 77 you should've gotten 924.

5. After cross-multiplying divide your new proportion.

6.  estimate = 10

now I'm not sure if those number in your question is your new estimate answer but since 9.24 is close to 10 your answer will be 10

Have a great day hoped it helped :)

x + 107

step-by-step explanation:

let's say that the number he had before the mistake was x. then, he will have 107 dollars more than this, so the answer is x + 107.

step-by-step explanation:

i am not sure sorry : c