kenzie12327 kenzie12327

11-09-2018
Mathematics

contestada

lisa is 6 years older than her brother Tom. Their father's age is twice the sum of their ages. How old is Lisa if her father is 32?

Respuesta :

trinitytran2005 trinitytran2005

11-09-2018

32 = 2(x + 6)
32/2 = 16
16 = x + 6
16 - 6 = 10

10 = x , Lisa is 10.

Answer Link

Queenbee2005 Queenbee2005

11-09-2018

L = T+6
F = 2(L+T)
F = 32

2(L+T) = 32
2(L+L-6) = 32
2L-6=16
L=11

Lisa is 11 years old

Answer Link

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