Answer:
61 yeas old
Step-by-step explanation:
180 is dividable by 3 evenly into 60. If you remove 1 from one of the 60's and add it to another 60, the order is now 59,60,61. So the oldest friend is 61 years old
Answer:
(4/7) ÷ (7/5) = 20/49
Step-by-step explanation:
You show a sum, not a quotient.
Perhaps you want the quotient ...
(4/7) ÷ (7/5) = (4/7)×(5/7) = (4·5)/(7·7) = 20/49
Greatest common factor or GCF is the greatest factor that divides two numbers. So the get the greatest common factor of the 4k 18k and 12 you need to list the prime factors of each number then multiply both numbers have in common. So the greatest common factor of the numbers is 2
The least common multiple of 6 and 9 are 18
