by the way i am fameous
The GCF of 80 and 102 is 2. The factor tree explains this. The factorization of 80 is 2x2x2x2x5. The factorization of 102 is 2x3x17. You then compare the 2 factorizations and then multiply the numbers they both have in common, but only by the number of times they appear. So the answer is 2, because it shows up in both factorizations and it shows up only once in the factorization of 102.
102 multiplied by 102 is 10,404.
4080
80 * 102 = 80 * 100 = 8000
LCM = 85,680
2 goes into 102 51 times. (102 divided by 2 equals 51)
2.5 times 104 times 2 times 102 is equal to 53,040
102 * 21 = 2,142
102 ÷ 6 = 17
Time = Distance/Speed = 102/80 = 1.275 hours = 1 hour and 17 minutes (approx)
38 x 102 = 3876