The stoplights on a street are designed to keep traffic moving at 22 mi/h. the average length of a street block between traffic lights is about 80 m. what must be the time delay between green lights on successive blocks to keep the traffic moving continuously? there are 1.609 × 103 m in a mile. answer in units of s.

The time delay between green lights on successive blocks must be 8,134334 seconds.

Step-by-step explanation:

The idea in this problem is to know how long it takes to drive through each block at a speed of 22 mi/h. At that speed, it would take 8,134334 seconds to complete the distance from a green light to the next.

First you need to convert the 22mi/h to m/h. The equivalence presented in the question is wrong, actually it is:    1609,34 m = 1 mi. Then we have:

1 mi --->  1609,34 m

22 mi -->  ?m

(22 mi x 1609,34 m)/1 mi = 35405,48 m

22 mi/h is equivalent to say 35405,48 m/h

Second, considering the equivalence   1 h = 3600 s, you can replace this value in the speed previosly calculated:

35405,48 m/ 3600 s   =   9,834856 m/s

From this you now know that in one second, at the specified speed, you drive 9,834856 m

But you need to know how much time you need for driving in a distance of 80 m between green lights, so:

1s --->  9,834856 m

?s --->   80 m

(80 m x 1s)/9,83485556 m   =   8,134334 s

You drive the 80 m between green lights in 8,134334 s

no, x cannot be the same number. in all of them, x is 1. for one input there is another output. g is not a function

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step-by-step explanation:

milk=16 large

soda=280 kids

juice box=82 regular

63 soda +63 regular

124 large total