The whole number that you can multiply by to get 15 is 15.
105First multiply 1 and 3 to get 3. Second multiply 3 and 5 to get 15. Third multiply 15 and 7 to get 105.
first multiply the numerators and you get 15, then you multiply the denominators and you get 15 so 15/15 = 1
1 and 15, and 3 and 5.
15
To find the number you need to multiply by 3 to get 45, you can set up the equation 3x = 45, where x is the unknown number. To solve for x, you divide both sides by 3, which gives you x = 45 / 3. Therefore, you need to multiply 3 by 15 to get 45.
First multiply 4 by 15 = 60, then multiply 60 by 3 = 180
15
To convert a fraction to a percentage, multiply by 100 %: 3/15 = 3/15 x 100 % = 20 %
1 x 15, 3 x 5
15,000,000 or 15 million
8