30 x (29 + 28) = 30 x 57
= 1710
28 +29 + 30 = 87
The product of a sum and a difference with 31 times 29 is:(30+1) x (30-1)sum to differencemakea product= 30² - 1²= 900 - 1= 899
The numbers are 28, 29 and 30.
27, 28, 29 and 30
They are 28, 29 and 30.
86
The integers are 27, 28, 29 and 30.
27 28 29 30
-87/3 = -29 therefore -28 + -29 + -30 = -87
The numbers are 27, 28, 29 and 30.
27+28+29+30=114
27 + 28 + 29 + 30 = 114