Tommy and Harry had some money at first. Tommy received 3 times as much money as Harry every week. At the end of 4 weeks, both of them had the same amount of money. If Harry had $1430 at first and Tommy had $1870 at the end of those 4 weeks, what is the ratio of Tommy's money to the total amount of money at first?
| |
Tommy |
Harry |
| Before |
? |
$1430 |
| Change |
+ 3 u |
+ 1 u |
| After |
$1870 |
$1870 |
Amount that Harry received every week
= 1870 - 1430
= $440
1 u = 440
Amount that Tommy received every week
= 3 u
= 3 x 440
= $1320
Amount that Tommy had at first
= 1870 - 1320
= $550
Total amount that Tommy and Harry had at first
= 1430 + 550
= $1980
Tommy's amount : Total amount
550 : 1980
5 : 18
Answer(s): 5 : 18
