American Accent Training phần 5 docx
American Accent Training phần 5 docx
... is of
another:
What percentage of 75 is 15?
Cross multiply:
15( 100) = ( 75) (x)
1 ,50 0 = 75x
ᎏ
1,
7
5
5
00
ᎏ
=
ᎏ
7
7
5
5
x
ᎏ
20 = x Therefore, 20% of 75 is 15.
Ratio and Variation
A ratio is a ... SAT MATH SECTION–
157
56 58 SAT2006[04](fin).qx 11/21/ 05 6:44 PM Page 157
34. If 5% of a number is 20, what would 50 % of that
number be?
a. 250
b. 100
c. 200
d. 400
e. 50 0
35...
American Accent Training phần 6 docx
... 46.
16. 55 .5. Since 80% of 35 = .80 × 35 = 28 and 25% of 28
= . 25 × 28 = 7, then 35 of the 63 boys and girls
have been club members for more than two
years. Since
ᎏ
3
6
5
3
ᎏ
= .55 55 ,55 .5% of ... squares.
31. d. 52 % is the same as .52 (drop the % sign and
move the decimal point two places to the
left);
ᎏ
1
2
3
5
ᎏ
=
ᎏ
2
5
6
0
ᎏ
=
ᎏ
1
5
0
2
0
ᎏ
; 52 × 100 = .52 ; And...
American Accent Training phần 8 docx
... difficult to
understand
–THE SAT WRITING SECTION–
233
6
5
4
3
2
56 58 SAT2006[ 05] (fin).qx 11/21/ 05 6: 45 PM Page 233
56 58 SAT2006[ 05] (fin).qx 11/21/ 05 6: 45 PM Page 218
Understanding the Prompts:
Completing ... determine punishments for breaking those rules.
–THE SAT WRITING SECTION–
2 25
5 658 SAT2006[ 05] (fin).qx 11/21/ 05 6: 45 PM Page 2 25
35. The revision to sentences...
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