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6 votes
6 votes
A city currently has 129 streetlights. As part of a urban renewal program, the city council has decided to install 3 additional streetlights at the end of each week for the next 52 weeks.How many streetlights will the city have at the end of 45 weeks?—————

User Don Feto
by
3.0k points

1 Answer

15 votes
15 votes

Solution

Step 1

Current number of streetlights = 129

Step 2

Number installed per week = 3


\begin{gathered} Number\text{ of straightlights installed in 45 weeks = 3 }*\text{ 45} \\ =\text{ 135} \end{gathered}

Step 3

Number of straightlights at the end of 45 weeks = 129 + 135 = 264

Final answer

256

User Tomen
by
2.8k points
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