Answer: just multiply 9 and y together: 9 x y
X + 3x + 4x = 56
8x = 56
x = 7
The shortest piece is 7 inches
The middle piece is 7*3 = 21 inches.
The longest piece is 4*7 = 28 inches
Check
7 + 21 + 28 = 56 It does check and the lengths are correct.
He has ZERO fewer than Amy. That's actually another way of saying that he has the same amount as Amy.
since Amy has 5 pears, David also has 5 pears.
The answer is 28. My answer is correct. 7, 14& 21 can't be the LCM son the answer should be 28.
