10. Stephanie and Rob each improved their yards by
planting rose bushes and shrubs, They bought their
supplies from the same store. Stephanie spent $57 on
I rose bush and 13 shrubs. Rob spent $99 on 11 rose
bushes and 11 shrubs. Find the cost of one rose bush
and the cost of one shrub.
A. rose bush: $4, shrub: $6
B rose bush: $3, shrub: $6
C. rose bush: $3, shrub: $2
D. rose bush: $5, shrub: $4