Saved Bookmarks
| 1. |
Two numbers are in the ratio 4:7.If4 is addedto each number then the ratio becomes 3,: 5. Find the smaller number |
|
Answer» let the RATIO 4and 7 be 4X and 7x according to the question ; 4x+4/ 7x+4 = 3/5 =5(4x+4 )=3(7x+4) = 20x+20=21x = 12 20x-21x = 12-20 -x = -18 therefore x= 18 4x = 4 * 18 = 72 7x = 7 * 18 = 126 Step-by-step explanation: |
|