Lynn, Zoe and Anna have 385 pens. Lynn has
34 as many pens as Zoe. Anna's pens is
14 of the total number of Lynn's and Zoe's pens. How many pens must Zoe give to Anna so that both Lynn and Anna will have the same number of pens?
Lynn |
Zoe |
Anna |
Total |
4x7 = 28 u |
1x7 = 7 u |
|
3x4 = 12 u |
4x4 = 16 u |
|
|
12 u |
16 u |
7 u |
385 |
Total number of pens
= 12 u + 16 u + 7 u
= 35 u
35 u = 385
1 u = 385 ÷ 35 = 11
Lynn |
Zoe |
Anna |
Total |
12 u |
16 u |
7 u |
385 |
|
- 5 u |
+ 5 u |
|
12 u |
11 u |
12 u |
385 |
Number of pens that Zoe must give to Anna
= 12 u - 7 u
= 5 u
= 5 x 11
= 55
Answer(s): 55