Solve Problems With Rational Numbers
7th Grade Math · Flashcards
7TH GRADE MATH · FLASHCARDS
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QUESTION
What is the total change after
−
2.3
-2.3
−
2.3
and then
+
1.8
+1.8
+
1.8
?
QUESTION
What is the sign of the quotient of a positive rational number and a negative rational number?
QUESTION
What is the net gain/loss for
4
4
4
deposits of
3
2
\frac{3}{2}
2
3
and
3
3
3
withdrawals of
5
2
\frac{5}{2}
2
5
?
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ANSWER
−
3
2
-\frac{3}{2}
−
2
3
. Total:
4
(
3
2
)
−
3
(
5
2
)
=
6
−
15
2
=
12
2
−
15
2
=
−
3
2
4(\frac{3}{2})-3(\frac{5}{2})=6-\frac{15}{2}=\frac{12}{2}-\frac{15}{2}=-\frac{3}{2}
4
(
2
3
)
−
3
(
2
5
)
=
6
−
2
15
=
2
12
−
2
15
=
−
2
3
.
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