8.7749 x 8.7749
7 * 11 = 77
The only common factor between them is 1, so just multiply the numbers together: 77 x 20 = 1540
7 * 11 = 77
Multiply 77 by .2 and subtract the product from 77 and you have 20% of 77.
10
1 x 77, 7 x 11
231
10x2x30
-77
-1 and 18
3 and -5.
1. Find out which numbers multiply together to reach the target number, then find out which numbers multiply together to make the numbers that multiply together to reach the target number.