The method of multiplication shown is (a) Ancient Egyptian Method
<h3>Multiplication</h3>
This involves taking the product of at least two factors which could be numbers, expressions or both
From the method shown, we can see that a factor is multiplied by multiples of 2 (i.e. doubling), till it reaches a maximum
This method is associated with the Egyptian.
Hence, the method of multiplication is (a) Ancient Egyptian Method
Read more about multiplications at:
brainly.com/question/10873737
The answer is 6:15, but if u need to simplify the answer would be 2:5.
They are always on a coplanar
45/3=15 45-15=30 30/5=6 3x6=18 30-18=12 the answer is 12