David and Elijah each spent the same amount of money. David has 1/4 of his money left and Elijah had 3/5 of his money left. What was the ratio of the amount of money David had at first to the amount of money Elijah had at first? (1) 4:5 (2) 9:2 (3) 12:5 (4) 8:15

David and Elijah each spent the same amount of money. David has 1/4 of his money left and Elijah had 3/5 of his money left. What was the ratio of the amount of money David had at first to the amount of money Elijah had at first? (1) 4:5 (2) 9:2 (3) 12:5 (4) 8:15

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

See similar textbooks

Similar questions

Joe, Alex and Sean shared some stamps in the ratio 3:8:5. Sean kept 1/5 of his stamps for himself and gave the rest of his stamps to Joe and Alex in the ratio 3:5. As a result, Alex had 96 stamps more than Joe. How many stamps did Joe have in the end?
The ratio of the amount of money Ahmad has to the amount of money Siti has is 6:5. The ratio of the amount of money Ahmad has to the amount of money Meling has is 9:4. The three children have 123$ altogether. How much money does Siti have?
Helen had some pink and white hairpins to give away for charity. She gave away some hairpins and the number of white hairpins was 3/4 of the number of pink hairpins in the end. The ratio of the number of hairpins she gave away to the number of hairpins she had left was 2:3. If she had 96 pink hairpins left how many hairpins did she give away?
Bryce is making cut-out cookies. If he has made 12 star-shaped cookies and 28 crescent cookies, how many MORE star-shaped cookies must he make so that the ratio of star-shaped cookies to crescent-shaped cookies is 1:2?
Miss Clark's farm gas chicken and pigs. There are a total of 26 animal feet and 8 animal heads on her farm. If 20 feet belong to the pigs and 6 feet belong to the chickens, the ratio of the number of pigs yo the number of chickens is
The ratio of the cost of a donut to the cost of a pizza is 2:9. Keith spent 1/3 of his money on 4 pizzas and 12 donuts. He bought some more donuts with 5/6 of the remaining money. How many donuts did Keith buy altogether?
PLS HELPPPP! ITS URGENT
Alan and Benny had some books in the ratio of 2:3. After Alan bought 46 more books and Benny gave away 1/5 of his books, both of them had the same number of books. (a) How many books did Benny give away? (b) How many books did both of the boys have at first?