Why is the greatest common factor of two numbers sometimes one

Alexander was hired for $27,176.00 per year. How much does Alexander receive per week?

What is 57% as a ratio?

the sum of two numbers is 43. The smaller number is 13 less than the larger number. What is the larger number and the smaller number?

Lynne bought a bag of grapefruits, 1 5/8 pounds of apples and 2 3/16 pounds of bananas. The total weight was 7 1/2 pounds. How much did the bag of grapefruit weigh?

How do you do this : A coin collection is purchased for $1,000. Twenty years later, the owner is told that the collection is worth quite a bit of money!

The last square of the chessboard is square 64. How many pennies are on square 64?

Im going to buy huaraches in womens (7.5) so do i order that size or order an 8?

Ms Cooke bought 9/10 of a cake. She ate 2/5 of her cake. How much cake left.

The average of 4 number is 85. if three of the numbers are 76, 78, and 81 what is the fourth number.

Aiden and Ryan are collecting clothes for a shelter. Ryan collected 1/4 as many clothes as Aiden did. If Aiden collected 12 bags of clothes, which expression below could you use to find out how many bags of clothes Ryan collected? a. 12 : 1/4 b.