Vanessa, Zara, Xavier and Betty shared some stamps. Vanessa and Zara took
15 of the total number of stamps while Xavier and Betty took the rest. Zara had four times as many stamps as Vanessa and Betty had 48 stamps. Given that Betty had four times as many stamps as Zara, how many stamps were there altogether?
Vanessa |
Zara |
Xavier |
Betty |
Total |
1x5 |
4x5 |
5x5 |
1 |
4 |
|
|
|
|
1x4 |
|
4x4 |
|
1 u |
4 u |
4 u |
16 u |
25 u |
Number of stamps that Zara had is repeated. Make the number of stamps that Zara had the same. LCM of 4 and 1 is 4.
Number of stamps that Betty had = 16 u
16 u = 48
1 u = 48 ÷ 16 = 3
Total number of stamps
= 25 u
= 25 x 3
= 75
Answer(s): 75