Answer:
First problem: 9; second problem: 12
Step-by-step explanation:
1 27
----- * ------ = 27/3 = 9
3 1
1 84
----- * ------ = 84/7 = 12
7 1
1/3x27= 9
1/7x84= 12
The expression would be 2x divided by/over 19