Paul has 40% more pens than Flynn. Albert has 80% the number of pens Paul has.
- What is the ratio of the number of Flynn's pens to the number of Albert's pens?
- If the total number of pens of Paul's and Albert's is 304 more than Flynn's, how many pens does Paul have?
Paul |
Flynn |
Albert |
7x5 |
5x5 |
|
5x7 |
|
4x7 |
35 u |
25 u |
28 u |
100% + 40% = 140%
140% =
140100 =
75 Paul's pens : Flynn's pens = 35 : 25
80% =
80100 =
45 Albert's pens : Paul's pens = 28 : 35
Flynn's pens: Albert's pens = 25 : 28 (a)
Paul's pens + Albert's pens = 35 u + 28 u = 63 u
Flynn's pens = 25 u
63 u - 25 u = 304
38 u = 304
1 u = 304 ÷ 38 = 8
Number of Paul's pens
= 35 u
= 35 x 8
= 280 (b)
Answers: (a) 25 : 28; (b) 280