1 x 30, 2 x 15, 3 x 10, 5 x 6, 6 x 5, 10 x 3, 15 x 2, 30 x 1
442920
60
No two (or more) composite numbers can multiply to 30.
Multiply .3 and 30 and you will have your answer.
To decrease an amount 30 percent, multiply that amount by 0.7
30=2x3x5
The two numbers that multiply to -30 and add up to 13 are 15 and -2. When you multiply 15 and -2, you get -30, and when you add them together, you get 13.
1/1*30=30
You multiply .30 (30%) by 200. Which is 60
Multiply 30 by 0.1
15x2=30
Multiply 1600.00 by .30 and you'll have your answer.