Nora, Opal, Simon and Wendy shared some pens. Nora and Opal took
16 of the total number of pens while Simon and Wendy took the rest. Opal had twice as many pens as Nora and Wendy had 80 pens. Given that Wendy had four times as many pens as Opal, how many pens were there altogether?
Nora |
Opal |
Simon |
Wendy |
Total |
1x3 |
5x3 |
6x3 |
1 |
2 |
|
|
|
|
1x2 |
|
4x2 |
|
1 u |
2 u |
7 u |
8 u |
18 u |
Number of pens that Opal had is repeated. Make the number of pens that Opal had the same. LCM of 2 and 1 is 2.
Number of pens that Wendy had = 8 u
8 u = 80
1 u = 80 ÷ 8 = 10
Total number of pens
= 18 u
= 18 x 10
= 180
Answer(s): 180