Xandra has 8 white and purple seashells. She has 4 more white seashells than purple seashells. Find
- The number of purple seashells she has.
- The number of white seashells she has.
Number of purple seashells = 1 u
Number of white seashells = 1 u + 4
Total number of seashells
= 1 u + 1 u + 4
= 2 u + 4
2 u + 4 = 8
2 u = 8 - 4 = 4
1 u = 4 ÷ 2 = 2
Number of purple seashells
= 1 u
= 2
Number of white seashells
= 1 u + 4
= 2 + 4
= 6
Answer(s): (a) 2; (b) 6