1. **State the problem:** Calculate the value of the expression $$\frac{2.75}{0.35+0.15} \times 2$$. 2. **Add the numbers in the denominator:** $$0.35 + 0.15 = 0.50$$ 3. **Rewrite the expression with the sum:** $$\frac{2.75}{0.50} \times 2$$ 4. **Divide 2.75 by 0.50:** $$\frac{2.75}{0.50} = 5.5$$ 5. **Multiply the result by 2:** $$5.5 \times 2 = 11$$ 6. **Final answer:** $$11$$