emilycuba8 emilycuba8

25-01-2019
Mathematics

contestada

Tristan is 6 years older than Janiyah. The product of their ages 5 years from now will be 187. Whats Janiyahs age

Respuesta :

christy52 christy52

25-01-2019

(y+5)(y+6+5) = 187
y2+16y+55 = 187
y2 +16y - 132 =0
y = 6 or -22(rejected)
so 6 years old

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