Eight less than three times a number is equivalent to ten more than one and half times the same number.
3x - 8 = 0.5x + 10
8 - 3x = 1.5x + 10
3x - 8 = 1.5x + 10
8 - 3x = 0.5x + 10
12. Multiple Choice
1 minute
1 pt
Solve: 2(2x + 3) = -6(x + 9)
1.2
6
-6
7.5
13. Multiple Choice
5 minutes
1 pt
Solve: 32 - 7x = -6(x + 3)
50
3
-3
-50
14. Multiple Choice
5 minutes
1 pt
Solve: 2(a + 4) = 2a - 8 + 4a
3
-3
-4
4
15. Multiple Choice
1 minute
1 pt
2x = x + 3
6
3
2
x
16. Multiple Choice
1.5 minutes
1 pt
7x = 3x + 24
6
10
14
4
17. Multiple Choice
1 minute
1 pt
Joe’s Canoes charges an initial fee of $20 plus $4 an hour. Callie’s Canoes charges a flat rate of $14 an hour. Find the number of hours for which the total amount that both places charge would be the same.
3 hours
4 hours
1 hour
2 hours
18. Multiple Choice
1 minute
1 pt
Peppy Pets charges a flat fee of $15 plus $3 per hour to keep a dog during the day. Happy Hounds charges a flat fee of $21 plus $1 per hour. For how many hours is the total fee charged by the companies the same?