Francescaramos377viz
Answered

the sum of ana and liza age is 45
six years ago ana was twive as old as liza then. how old is liza? ​

Sagot :

Sheyssssssssssviz

Ana's Age = A

Liza's Age = L

Ana's Age 6 years ago = A – 6

Liza's age 6 years ago = L – 6

Ana's Age + Liza's Age = 45

A + L = 45

A = 45 – L

6 years ago, Ana's Age is twice Liza's Age

A – 6 = 2(L – 6)

(45 – L)–6 = 2L –12

45 – 6 – L = 2L – 12

39 + 12 = 2L + L

51 = 3L

3L = 51

L = 51/3

L = 17

Liza is 17 years old.