This is no mistake he is the one
<span>solving one of the equations (you choose which one) for one of the variables (you choose which one), and then plugging this back into the other equation, "substituting" for the chosen variable and solving for the other. Then you back-solve for the first variable.</span>
25% of 20 = 5
B has 5 answers
20-5 = 15
"Not B" is 15 answers.
The dog eats 7 cans plus d cans?
this any help?!!?
1. Cell
2. Tissue
3. Organs
4. Organ System
