Answer:
ab(28) or 28ab
Step-by-step explanation:
13ab + 15ab = 28ab
The number is -2
-2 + 4 = 2
2 is 2 less than 4
396.9
.........................
Answer:
27
Step-by-step explanation:
Let the middle number be x.
(x - 1)(x)(x + 1) = 21,924
You can solve that equation, or you can use logic.
The 3 numbers are going to be close to the cubic root of 21,924.
cubic root of 21,924 = 27.988 or approx 28.
Try 27, 28, 29
27 * 28 * 29 = 21,924
Answer: 27
