doreenkant7 doreenkant7
  • 19-05-2022
  • Mathematics
contestada

Lusia wants to buy sulu. If she buys 7 meters,She is 1 dollar short. If she buys 5 meters, 5 dollar is left over . How much does she have ?

Respuesta :

eseelearning
eseelearning eseelearning
  • 19-05-2022

Answer:

$20

Step-by-step explanation:

let 1 meter of sulu = s, lusia has m dollar

7s = m + 1 => m = 7s - 1

5s = m - 5

5s = 7s - 1 - 5

2s = 6

s = 3

m = 7s - 1 = 21 - 1 = 20

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