Answer:
3m / 7 = 7n / 3
49n = 9m
9m / 49n = 1
m / n = 49 / 9
Step-by-step explanation:
A square is a type of quadrilateral.
Answer:
The first one I believe
Step-by-step explanation:
I don't know what the graft is
Answer:
Imagine that the number that we are looking for is x
We know that:
x/5 - 78 = 9
x/5 = 9 + 78
x/5 = 87
x = 87 . 5 = 435
So the number we need is 435