Expressions & Equations
4a=36 what does a equal
a=9
70+35-220=
-115
7859 X 12=
94308
6 X 5 > 6 X 2=
30 > 12
10 hours to drive 710 miles. What is the ratio and unit rate for this problem? How many miles per hour?
710:10 71 miles per hour
b-14=35 what does b equal
b=49
4508-52+20=
4476
896/4 X 45=
10080
4 X 2 < 4 X 4=
8 < 16
3 boxes can hold 12 books. What is the ratio and unit rate for this problem? How many books per box?
12:3 4 books per box
9c=45 what does c equal
c=5
4586-53=
4533
790/8 X 5=
493.75
7 X 2 < 7 X 6=
14 < 42
111 dollars for 37 TV channels. What is the ratio and unit rate for this problem? How many dollars per channel?
11:37 3 dollars per channel
30-d=11 what does d equal
d=19
145+30-5=
170
8545 X 2.4/8=
2563.5
12 X 4 < 12 X 8=
48 < 96
48 customers over 2 days. What is the ratio and unit rate for this problem? How many customers per day?
48:2 24 customers per day
e+120=500 what does e equal
e=380
50+145-9+86=
272
555/54 X 2=
20.55555556
8 X 5 > 8 X 2=
40 > 16
8 classrooms with 136 students. What is the ratio and unit rate for this problem? How many students per class?
136:8 17 students per class