David plans to donate and money earned from selling t-shirts to a charity. The table shows the number of T-shirts David plans to sell. Small :X

Medium: Y

Large: Z

The table shows two options for pricing the t-shirts:

Option A: Option B:

Small: $4 Small:$6

Medium: $6 Medium: $8

Large: $10 Large:$10

Total:620$ Total: $740

A)Find two possible solutions for x, y,z

B) Are the answers for A the only possible answers? explain