Register
Drake spent $540 on books. Math books cost $60 and science books cost $80. If he bought a total of 8 books, how many of each kind did he buy?
225k views
12 votes
Drake spent $540 on books. Math books cost $60 and science books cost $80. If he bought a total of 8 books, how many of each kind did he buy?

User Mehdi Satei
by
7.5k points

2 Answers

3 votes
System of equations
(m + s = 8)60
60m + 80s = 540
60m + 60s = 480
20s = 60, s = 3
m + 3 = 8, m = 5
Solution: he brought 3 science and 5 math books
User Gingerbreadboy
by
7.9k points
12 votes

Answer:

He bought 4 in total

User Tom Van Der Woerdt
by
8.3k points
← Prev Question Next Question →

Related questions

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
Link Copied!