Answer: D
Step-by-step explanation:
A seems complicated and doesn’t make an sense while D is simple
Answer:
15 of $3 books and 4 of the $8 books
Step-by-step explanation:
15×3= 45
8 × 4= 34
45+32= 77
I think that the answer should be around 2.55
You start by distributing: 8s-4=7s+12
Combine like terms: 8s-7s=12+4
Solve and get your answer: s=16
