Ratios and Comparisons
ISEE Upper Level Quantitative Reasoning · Flashcards · Application
ISEE UPPER LEVEL QUANTITATIVE REASONING · FLASHCARDS
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QUESTION
What is the unit rate (miles per hour) for
150
150
150
miles in
3
3
3
hours?
QUESTION
What is the scale factor from
2
:
5
2:5
2
:
5
to
6
:
15
6:15
6
:
15
?
QUESTION
What is the missing number
x
x
x
in
7
x
=
21
30
\frac{7}{x}=\frac{21}{30}
x
7
=
30
21
?
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ANSWER
10
10
10
. Cross-multiply to get
7
×
30
=
21
x
7 \times 30 = 21x
7
×
30
=
21
x
, then solve for
x
x
x
.
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