Respuesta :
Answer: 190 streetlights.
A city currently has 122 streetlights
They add 2 additional streetlights at end of each week for 52 weeks:
Additional streetlights=2x52
=104
104 streetlights/52 weeks=x/34 weeks
x=34x104/52
=3536/52
=68 streetlights
The city has 68 additional streetlights after 34 weeks now you have to add it to the current amount to find how much they’ll have in total:
Current amount+additional amount=122+68
=190 streetlights
The city has 190 streetlights after 34 weeks.
A city currently has 122 streetlights
They add 2 additional streetlights at end of each week for 52 weeks:
Additional streetlights=2x52
=104
104 streetlights/52 weeks=x/34 weeks
x=34x104/52
=3536/52
=68 streetlights
The city has 68 additional streetlights after 34 weeks now you have to add it to the current amount to find how much they’ll have in total:
Current amount+additional amount=122+68
=190 streetlights
The city has 190 streetlights after 34 weeks.
There'll be 190 streetlights after 34 weeks
Current number of streetlight = 122
Additional streetlight installed = 2 per week.
The number of streetlights after 34 weeks will be:
= 122 + 2w
where, w = number of weeks
= 122 + 2w
= 122 + 2(34).
= 122 + 68
= 190
There'll be 190 streetlights after 34 weeks.
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