Answer:
8
Step-by-step explanation:
When you divide by a fraction, you can also say that you are multiplying by the reciprocal.
So 


3a) Answer: 84 degrees
Step-by-step explanation:
3x + 2(x+20)= 180 (total sum of angles in a triangle is 180 degrees)
5x+40 = 180
5x = 140
x= 28
3x= 28 x 3
= 84
The answer to that question will be 3
Let us first describe how partial product and regrouping are alike:
Partial Products and Regrouping are alike because both methods are multiplied by one number and if the product of the number has 2 digits it can be carried.
Now let us discuss how they are different:
Partial Products and Regrouping are different because Partial Products are doing multiplication step by step and regrouping is regular multiplication.
Hope it helps.