Jeff is 12 years older than Leon now.
10 years ago, the total age of Jeff and Leon was 78 years.
How old is Leon now![]()
10 years ago, the total age of Jeff and Leon was 78 years.
How old is Leon now
Jawaban:
43 years old
Penjelasan dengan langkah-langkah:
J = 12+L
(J-10) + (L-10) = 78
(12+L-10) + (L-10) = 78
2+L + L-10 = 78
2L - 8 = 78
2L = 86
L = 43
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