Mike is 4 years older than his sister Olivia. together they are 20 years old. How old is Olivia?
2 answers:
Answer: Olivia is 8 years old.
Step-by-step explanation:
"O" stands for Olivia
O+4 = M
O + O+4 = 20
2O +4=20
2O=16
2O/2 = 16/2
O = 8
Mike is 4 years older, so Mike is 12 years old
12+8 = 20
Answer:
Olivia is 24 years old
step by step
because Olivia is 20 years old and Mike is 4 years older than her so Olivia is 24 years old
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