alliuhhh0
28.06.2019 •
Mathematics
James is 5 years younger than his sister. the sum of their ages is 25. write a system of equation to model the situation. how old is he?
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Ответ:
15
Step-by-step explanation:So Adam is 20 years old, and Neil is 5 years younger so is 20 - 5 = 15 years old. The ratio of Adam's age to Neil's age is 20:15, or 4:3.
Ответ: