Rewrite the fractions so they have a common denominator
3/4 = 15/20
Now add:
4 15/20 + 7 11/20 = 11 26/20
26/20 simplifies to 1 3/10
11 + 1 3/10 = 12 3/10 total minutes
Answer:
10% 0f 70 is 7
Step-by-step explanation:
70÷10=7
10%=7
Answer:
Glenn is correct.Andy multiplied 675 by 2 two times.
Step-by-step explanation:
We are given that Andy multiplied 675 times 22 and got=2700
Glenn multiplied 675 by 22 and got=14850
We have to find the student which is correct and find the mistake of other student.
When 675 multiplied by 22
Then , 
Therefore, correct answer is 14,850.
Hence, Glenn is correct.

Therefore, Andy makes mistake in calculation. .Andy did multiplied 675 by 2 two times .