Respuesta :

nathanoowaufder
1/4(-5+n) < 20 the opposite of 5-n is -5+n

multiply by 4

-5 + n < 80

plus 5

n< 85
dawtlenpar99
1/4 * 1/5 - 5 < 20
1/20 - 5 <20
1/20 - 100/20 <20
99/20 < 20
4.95 < 20 

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