60 and 80 :D
It is 80
There is no prime number between 60 and 80 that has a consecutive sum. The prime numbers between 60 and 80 are 61, 67, and 71, but none of them have consecutive sums.
70, 72, 74, 75, 76, 77, 78, 80
60 is 80% of what number:= 60 / 80= 60 / 0.8= 75
It is 70
60 and 80 :D
Yes - since 80 is an even number, it is a composite number.
It is 80
There is no prime number between 60 and 80 that has a consecutive sum. The prime numbers between 60 and 80 are 61, 67, and 71, but none of them have consecutive sums.
Well, honey, a composite number is any ol' number greater than 1 that ain't prime, so let's see here... Ah, 85 fits the bill! It can be divided by 1, 5, 17, and itself. So, there you have it, a sassy little composite number between 80 and 100.
It is: 70
70, 72, 74, 75, 76, 77, 78, 80
60 is 80% of what number:= 60 / 80= 60 / 0.8= 75
60(40+80)/2 = 60
The composite numbers between 50 and 80 are: 50, 51, 52, 54, 55, 56, 57, 58, 60 62, 63, 64, 65, 66, 68, 69, 70, 72 74, 75, 76, 77, 78, 80
All of them except for 83, 89 and 97 which are prime numbers.