Carlos had $41 when he went to a bookstore. He had $10 left after buying some books. Which equation can be used to find a, the amount Carlos spent on books? A 41 + a = 10 B 10 - a = 41 C 41 - a = 10 (D) a - 10 = 41
Added by Aitor H.
Your feedback will help us improve your experience
Jerelyn Nevil and 54 other Algebra educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Ann had $120 to spend on books. After buying 10 books she had $8.30 left. If each book costs the same, let b be the cost of each book Write an algebraic equation that represents the situation:
Jerelyn N.
Economics Andre bought 11 books at a used book sale. Some cost 25$\phi$ each; the others cost 35$€$ each. Andre spent $\$ 3.15 .$ a. Write a system of two equations to describe this situation, and solve it by substitution. b. How many books did Andre buy for each price?
Solving Equations
Solving Systems of Equations
Michel bought 11 books last year. This year, he bought 30 more books than last year. Using the mental math process for the calculation, approximately how many books did he buy over the last two years?
Cheryl G.
Recommended Textbooks
Elementary and Intermediate Algebra
Algebra and Trigonometry
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD