Saved Bookmarks
| 1. |
The weight of a ring is 2y gm, that of a necklace is (3y-4) gm and that of abangle is (2y +7)gm. If the total weight is 45 gm, find the weight of each. |
|
Answer» add all the weights2y+3y-4+2y+7=457y+3=457y=42y=6hence ring is 2y=2*6=12gmnecklace=3y-4=3*6-4=14gmbangle is 2y+7=2*6+7=19gm |
|