Question

A road crew is painting stripes on a new section of highway. they working at a steady rate. at 3pm on tuesday,the crew has completed 21 miles. by 6pm they have completed 33 miles at what rate are rhey working?

(answer now)

Answer 1

Answer :-

• 4 miles per hour

Step-by-step explanation :-

Rate of work :-

`</p><p> \begin{gathered}\\ \large\dashrightarrow \boxed{\mathsf { (Change \: in \: distance \: coveredm (miles))/( Change \: in \: time \: taken \: (hours)) }</p><p> } \\ \end{gathered}`

`\begin{gathered}\\ \large\dashrightarrow \: \mathsf { (33 - 21 )/( 6 - 3) } \\ \end{gathered}</p><p>`

`\begin{gathered}\\ \large\dashrightarrow \: \: \mathsf { (12)/(3) } \\ \end{gathered}`

• 4 miles per hour •

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Answer 2

4 miles per hour

Explanation:

Rate of work :

• Change in distance covered (miles) / Change in time taken (hours)
• 33 - 21 / 6 - 3
• 12/3
• 4 miles per hour