Even : 382, 138
Odd: 550, 227, 489
Width = x cm
Length = 4x - 16
Perimeter = x + x + 4x -16 + 4x - 16
28 = 10x -32
(+ 32 to both sides)
60 = 10x
6 = x
Width = 6cm
Length = (6x4) - 16
= 8cm
Hi there!
The answer is C.
14 × 32 = (4 × 32) + (10 × 32) = 128 + 320 = 448
In the first step we splitted 14 up into two different parts that are easily multipliable. These two parts are 4 and 10. She must multiply 32 first by 4 and then we must multiply 32 by 10. This way we multiplied it a total of 14 times, just as we should.
14 × 32 = (4 × 32) + (10 × 32)
