JSTAX01
14.02.2021 •
Mathematics
An older person is 4 years older than 7 times the age of a younger person. The sum of their ages is 44. Find their ages
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Ответ:
5 yr and 39 yr
Step-by-step explanation:
Let x = the age of the younger
then 7x + 4 = the age of the older
Now x + 7x + 4 = 44
8x + 4 = 44
8x = 40
x = 5
7x + 4 = 7(5) + 4 = 35 + 4 = 39
Check: 5 + 39 = 44
Ответ: