Equations are used to relate equal expressions.
The missing term is: 
The equation is given as:

Express 
So, we have:

Multiply through by 

Collect like terms

Take LCM


Divide 

Cross multiply


Hence, the missing term is: 
Read more about equations at:
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We are going to take 132 divided by 6, because there are 6 different rolls he can get. So, 132/6=22
Answer:
1:2
Step-by-step explanation:
if the one side is twice the length that means that you need two of them to make the one thus the ratio 1 to 2
To find how much you paid for the tip, take the price of the meal and multiply by the tip rate (presented as a decimal)
so 15×.2 will equal what tip you pay
then just add that to the price of the meal
256×7=1792 in expanded form it is 1000+700+90+2