Question

27 3
-- = -
90 ?

Answer 1

We have:
\[\dfrac{27}{90}=\dfrac3x\]
Using cross multiplication we can obtain:
\[27x=3\times90\]
Multiplying 3 and 90 together we get:
\[27x=270\]
Dividing both sides by 27 and we get:
\[x=10\]

Hope that helps you :D

Answer 2

Thanks so much

Answer 3

no problem :)