sophiaa23
25.06.2020 •
Mathematics
Jeremy's grandfather is four times as old as he is. If you add their ages together, you will get ninety. How old is Jeremy's grandfather? A. 18 B. 19 C. 70 D. 72
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Ответ:
Step-by-step explanation:
Jeremy is
years-old.
Jeremy's grandfather is
years-old.
Adding their ages together will get
Jeremy's grandfather age would be:
Ответ:
72
Step-by-step explanation:
Let Jeremy age be x
Granfather' age is 4x
x + 4x = 90
5x = 90
x = 90/5 = 18
Jeremy' age is 18
Granfather age is 4x = 4*18 = 72
Ответ:
The answer is 75.36 m
Please see the attached picture for full solution
Hope it helps