Yes because one number has been increased by a 1/4 while the other number has been decreased by a 1/4
So 3*80 = 240 and 4*60 = 240
it would be 36 times two
4+4+4+4+4
You can double the multiplication fact 14 to find 28.
What is a multiplication fact that can you double to find 4×7
8 times 9= 72
you can use multiplication facts to find division facts by dividing your divisor and your quotient to find your answer.
A number multiplied by one is itself. This is the Identitiy Property of Multiplication.
commutative (order) property
The simplest answer is 1 times 75.
you find the perimeter of one side and multiply it by how many you have the same number.
use mental math
The fact that 8 x 9 = 72