Sara had 324 dollars to spend on 9 books. After buying them she had 18 dollars. How much did each book cost?
2 answers:
Working out:
1) 324 - 18 = 306
2) 306 ÷ 9 = 34
Answer: Each book costs $34
Each book costs $34 for this problem you need to first subtract 18 from 324 which gets you 306 then divide 306 by 9 and you get 34
You might be interested in
Answer:
178/7
Step-by-step explanation:
4x-7+3x+9=180
4x+3x-7+9=180
7x-7+9=180
7x+2=180
7x=180-2
7x=178
x=178/7
3+2 = 5
80/5 =16
16 x 3 = 48
16 x 2 = 32
Answer= 48:32
I think this is right
8+-10=-2 you multiply and combine the variables and numbers.
The best way to approach this problem is to start off by doing factor by grouping.
G(-4) = 4^2 + 3(-4) - 2
16 - 12 - 2
4 - 2
answer: 2
