Question

A construction crew must build 4 miles of road in one week. On Monday, they build 12 mile of road. On Tuesday, they build 13 mile of road. How many more miles of road are left to build?

Answer 1

Answer:

I don't understand. They need to build 4 miles but you said that they built 12 and 13 miles. Hmm...

Step-by-step explanation:

Answer 2

$\frac{19}{6}$ many more miles of road are left to build .

Step-by-step explanation:

Here we have , A construction crew must build 4 miles of road in one week. On Monday, they build 1/2 mile of road. On Tuesday, they build 1/3 mile of road.  We need to find that  How many more miles of road are left to build . Let's find out:

• On Monday, they build 1/2 mile of road.
• On Tuesday, they build 1/3 mile of road.  

Let Miles of road left to build is x So,

⇒ $\frac{1}{2} +\frac{1}{3} +x = 4$

⇒ $x = 4 - (\frac{1}{2} +\frac{1}{3})$

⇒ $x = 4 - (\frac{1(3)+1(2)}{6} )$

⇒ $x = 4 - (\frac{5}{6} )$

⇒ $x = (\frac{4(6)-5}{6} )$

⇒ $x = \frac{24-5}{6}$

⇒ $x = \frac{19}{6}$

Therefore, $\frac{19}{6}$ many more miles of road are left to build .