1.
Solve the equation shown by the model.
A.
x
= -6
B.
x
= -3
C.
x
= -4
D.
x
= -15
Hint
2.
Solve –75 = –25
a
.
A.
–100
B.
–50
C.
D.
3
Hint
3.
African elephants can weigh up to 16,500 pounds. They weigh about 1.5 times more than Indian elephants. Use the equation 1.5
w
= 16,500 to find the weight of the Indian elephant.
A.
12,500 lbs
B.
8,250 lbs
C.
14,000 lbs
D.
11,000 lbs
Hint
4.
Solve 11
r
= 99.
A.
8
B.
9
C.
-9
D.
11
Hint
5.
One gallon is four times as much as one quart. A gallon of water weighs about eight pounds. Use the equation 4
q
= 8 to find out about how much a quart of water weighs.
A.
8 pounds
B.
1 pounds
C.
2 pounds
D.
4 pounds
Hint