maay101
31.10.2019 •
Mathematics
Two brothers, bill and eric, are 4 years apart, and bill is the older of the two. if the sum of the boys' ages are 28, how old is bill and how old is eric?
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Ответ:
12 and 16
Step-by-step explanation:
Divide 28 by 2 which you would get 14. Now subtract two from 14 you will get 12, and add two from 14 you will get 16. Since 12 and 16 are 4 numbers apart, 12+16=28.
Ответ:
you should use DCMAD to solve this equation to find x
x/2 +5= 6
-5 -5
x/2= 1
mult.by2 on both sides
x=2