$2.50 per pound. The expression below represents the total cost of the bags of grapes Gina
bought, in dollars.
Which expression below is also equivalent to the total cost of the grapes?
A.
B.
C.
D.
10.
Which expression is equivalent to
p
− 3
r
− 3
r
+ 2
p
?
A.
3
p
– 6
r
B.
p
– 6
r
C.
p
– 4
r
11.
Which equation demonstrates the inverse property of multiplication?
A.
B.
C.
D.
12.
Sheila simplified an expression using the following steps.
Step 1: 5
x
+ 4(3 + 2
x
)
Step 2: 5
x
+ 12 + 8
x
Step 3: 5
x
+ 8
x
+ 12
Step 4: 13
x
+ 12
Which property justifies Step 3?
A.
identity property
B.
associative property
C.
distributive property
D.
commutative property
7.ee.1
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13.
Simplify the expression
x
−3
x−
(−5
x
).
A.
−9
x
B.
−7
x
C.
2
x
D.
3
x
14.
Which expression is equivalent to 12
x
– 20 – 5(
x
– 3)?
A.
7
x
– 23
B.
7
x
− 5
C.
13
x
– 3
D.
13
x
+ 75
15.
Tara used the expression, where
e
represents her earnings, to calculate the monthly balance
in the savings account for each of her 3 children.
Which expression is equivalent to Tara’s expression?
A.
B.
C.
D.
–
–
7.ee.1
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