shirts cost $20 each and ties cost $12 each. write an expression for the cost of s shirts and t ties.
1 answer:
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Given:
4:x::x:16
To find:
The value of x.
Solution:
We have,
4:x::x:16
It means, we have
4:x = x:16
It can be rewritten as
On cross multiplication, we get
Taking square root on both sides.
Since ratio can be negative or positive, therefore, the value of x is either -8 or 8.
Let's call animals "a", and birds "b", birds of prey, "p"
so, b=
and p=
what;s the relation of p to a?
we substitude b into the last one:
and p=
so:
p=
p=
p=
p=
which is the answer!
so, b=
and p=
what;s the relation of p to a?
we substitude b into the last one:
and p=
so:
p=
p=
p=
p=
which is the answer!