Question

To prepare a concrete mixture, $1\text{lb}$ of cement is mixed with $\frac{7}{10}\text{lb}$ of water. What is the total weight of the mixture?

• A. $\frac{17}{10}\text{lb}$
• B. $\frac{8}{11}\text{lb}$
• C. $\frac{8}{10}\text{lb}$
• D. $\frac{7}{10}\text{lb}$

Answer 1

The correct option is A $\frac{17}{10}\text{lb}$

Detailed step-by-step solution:
Amount of cement $=1\text{lb}$
Amount of water $=\frac{7}{10}\text{lb}$

Total weight of the mixture = Amount of cement + Amount of water
$1+\frac{7}{10}=\frac{10}{10}+\frac{7}{10}=\frac{17}{10}\text{lb}$

Hence, Option B is correct.