Question

If the cost of 45 screws is 35/2 dollars, find the unit rate.

• A. $\frac{7}{18}$ dollars
• B. $\frac{1}{18}$ dollar
• C. $\frac{35}{45}$ dollars
• D. $\frac{2}{45}$ dollars

Answer 1

The correct option is A $\frac{7}{18}$ dollars

Price of 45 screws is $\frac{35}{2}$ dollars.

Unit rate = $\frac{35}{2}$ $÷$ 45

= $\frac{35}{2}$ $\times$ $\frac{1}{45}$

= $\frac{7}{18}$

Hence, the price of 1 screw is $\frac{7}{18}$ dollars.