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QueenNerdy889
27.08.2019 •
Mathematics
Mike is 5 years more than twice as old as tom. the sum of their ages is 65. how old is mike? mike is years old. a. 20 b. 30 c.45 d. 65
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Ответ:
m = 5 + 2t
m + t = 65
Plug the first equation into the second equation for the m.
5 + 2t + t = 65
combine like terms
5 + 3t = 65
subtract 5 from both sides
3t = 60
divide both sides by 3
t = 20
m = 5 + 2t
m = 5 + 2(20)
m = 5 + 40
m = 45
t = 20
20 + 45 = 65 CHECKS
Answer is C. Mike is 45 years old
Ответ:
D
Step-by-step explanation:
Because they intersect