Fiona is 30% heavier than Neave. Kathy is 25% lighter than Neave. Fiona is 33 kg heavier than Kathy. What is Neave's mass?
| Fiona |
Neave |
Kathy |
| 130% |
100% |
|
| |
100% |
75% |
| 26 u |
20 u |
15 u |
Fiona's mass compared to Neave's mass in percent
= 100% + 30%
= 130%
Kathy's mass compared to Neave's mass in percent
= 100% - 25%
= 75%
130% =
130100 =
262075% =
75100 =
1520Neave's mass is the repeated identity. Make Neave's mass the same.
Neave's mass = 20 u
Mass that Fiona has more than Kathy
= 26 u - 15 u
= 11 u
11 u = 33
1 u = 33 ÷ 11 = 3
Neave's mass
= 20 u
= 20 x 3
= 60 kg
Answer(s): 60 kg
