Elm street is 3.6 kilometers long there are sets of 4 traffic lights every 0.6 kilómeter how many traffic lights are there on elm street?

Answer

Find out the  how many traffic lights are there on elm street .

To prove

As given

Elm street is 3.6 kilometers Long .

There are sets of 4 traffic lights every 0.6 kilómeter.

i.e

Now

Traffic light in 3.6 kilometers = Traffic light in one kilometer × 3.6

Traffic light in 3.6 kilometers = 24

Therefore Traffic light in 3.6 kilometers are 24 .

let x be the money she spent so that she can earn the free t-shirt.

since, she already spent $112.49

⇒

also, as per the statement: jennifer must spend $250 or more in order to qualify for a free t-shirt at the store.

then,

we have an inequality i.,e

subtract 112.49 from both sides we get;

therefore, $137. 51 more money does jennifer need to spend so that she can earn the free t-shirt