if a:b=5:9, b:c=4:7. find a=?, b=?, c=?
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1
a:b=5:9. b=9/5a......(1)
b:c=4:7. b=4/7c........(2)
equation (1) & (2)
9/5a=4/7c
a/c= 20/63
a=20......ans1
c=63......ans2
b=4/7(c)
b=4/7(63)
b=36......ans3
b:c=4:7. b=4/7c........(2)
equation (1) & (2)
9/5a=4/7c
a/c= 20/63
a=20......ans1
c=63......ans2
b=4/7(c)
b=4/7(63)
b=36......ans3
Answered by
4
a is equal to 20
b is equal to 36
c is equal to 63
b is equal to 36
c is equal to 63
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