Respuesta :

MathGeek289
This In Expression Form Is:
3r + 4t.
The Reason Why Is Because:
When You Triple r, That Is 3r, And When You Quadruple t, It becomes 4t. And Plus Means to Add. So, This Becomes 3r + 4t 
I Hope this Helps! 
tripling r, makes 3r, Quadrupling t, makes 4t. plus = + So, the expression is 3r + 4t

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