70 decreased by twice Janelle's savings. write as a algebraic expression

70 decreased by twice Mabels age

To write the expression for "70 decreased by twice Janelle's savings" algebraically, we can follow these steps:

1. Assign a variable to represent Janelle's savings. Let's use "s" for savings.
2. Twice Janelle's savings can be expressed as 2s.
3. "70 decreased by twice Janelle's savings" means we subtract twice Janelle's savings from 70.
4. Finally, we put the expression together: 70 - 2s.

Therefore, the algebraic expression for "70 decreased by twice Janelle's savings" is 70 - 2s.

70 - 2S =