a:b =3:5 and b:c=10:39 find A:c
Answers
Answered by
1
Answer:
3:39
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Answered by
1
Answer:
a : c = 2 : 13
Step-by-step explanation:
it is given that:
a : b = 3 : 5
it can be expressed as (a/b) = (3/5)
b = (a)(5)/(3) = 5a/3
also given that:
b : c = 10 : 39
it can be expressed as :
(b/c) = (10/39)
so b = (10)(c) / (39)
b = 10c / 39
equate 'b' values
b = 5a/3 = 10c / 39
so 5a/3 = 10c / 39
(5a)/(10c) = 3/39
(1/2)(a/c) = (3/39)
(1/2)(a/c) = 1/13
(a/c) = 2/13
a : c = 2 : 13
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