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Sagot :
Answer:
is to ¾ as 0.8 is to _________1. 2/3
2. 4/5 3. 5/6 4. 6/7 5. 3/5
Solution 1: Comparison
If you convert 0.75 into fraction form:
therefore the ratio 0.75 is to ¾ or
is equal to one. Since the first ratio is equal (0.75=3/4), youonly need to find the fraction form that would equal to 0.80:
Solution 2: Ratio and Proportion Convention
0.75 is to ¾ as 0.8 is to X, (X is unknown).0.75:
= 0.8:X
Convert 0.75 and 0.8 to fraction form. (Review Fractions: 0.1 =
, 0.01 =
)
=
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2.
75% is to 1/2 as 45% is to ________1. 3/11
2. 3/10 3. 3/4 4. 2/3 5. 3/5
Solution: Ratio and Proportion Convention
75% is to ½ as 45% is to X, (X is unknown).75%:
= 45%:X
Convert 75% and 80% to fraction form. (Review” Percentage is a way of
expressing a number asa fraction of 100 (per cent meaning "per hundred" in Latin) 75% = 75/100, 80% = 80/100 likeany number with a % sign like 0.01% = .01/100 and 2000% = 2000/100
=
3.
0.25 is to 0.125 as to 1.25 is to ________
1. 0.625 2. 1.125 3. 1.625 4. 2.125 5. 6.250
Try Solving This:
Solution 1: By ComparisonSolution 2: By Ratio and Proportion Convention4.
2 is to 50 as 3.2 is to _________1. 60 2. 70 3. 80 4. 90 5. 160
Try Solving This by Ratio and Proportion Convention
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5.
14 is to 28 as 5 is to _________1. 7 2. 8 3. 9
4. 10 5. 156.
1 is to 1/4 as 5/25 is to ________1. 1/16 2. 1/18 3. 2/6 4. 3/4 5. 1/207.
0.35 is to 7 as 0.45 is to ________1. 8 2. 9 3. 12 4. 14 5. 0.98.
1/3 is to 2/18 as 1/12 is to ________1. 2/72 2. 2/48 3. 3/36 4. 3/25 5. 1/729.
3/8 is to 12/32 as 2/5 is to ________1. 8/20 2. 10/23 3. 6/13 4. 4/6 5. 5/610.
1/3 is to 3/7 as 1/6 is to ________1. 3/14 2. 1/5 3. 1/4 4. 1/3 5. ½11.
0.4 is to 2/5 as 0.6 is to ________1. 20 2. 4/5 3. 3/10 4. 3/5 5. 1/512.
0.2 is to 0.4 as 0.3 is to ________1. 0.009 2. 0.0009 3. 0.09 4. 0.9 5. 9.013.
8 is to 2
3
as 27 is to ________1. 3
3
2. 5
3
3. 9
3
4. 3
9
5. 4
3
14.
0.5 is to 1/2 as 0.65 is to ________1. 11/20 2. 13/20 3. 15/20 4. 17/20 5. 14/2015.
1/3 is to 3 as 2/8 is to ________1. 2 2. 4 3. 6 4. 8 5. 1016.
30% is to 3/5 as 80% is to ________
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1. 1 1/5 2. 1 2/5
3. 1 3/5 4. 1 4/5 5. 217.
0.30 is to 0.075 as 0.15 is to ______1. 0.000375 2. 0.00375 3. 0.0375 4. 0.375 5. none18.
2/5 is to 20% as ¾ is to ________1. 35.5% 2. 37.0% 3. 37.5% 4. 39.0% 5. 36.5%19.
625 is to 81 as 5 is to ________1. 3 2. 4 3. 6 4. 9 5. 0.648
Note:
Solution is by comparison. The ratio here is exponential:
5
4
:3
4
, after knowing this theanswer is obvious. It is 3. Review special numbers like the squares of number. My first analysis here is that it is
25
2
and 9
2
and I know that
25
and
9
are
5
2
and
3
2
which made mearrive to the same answer
3.
20.
8 is to 11 as 36 is to ________1. 49.50 2. 55.00 3. 59.50 4. 65.00 5. 69.5021.
2 is to 2.5 as 4 is to ________1. 3 2. 5 3. 7 4. 9 5. 622.
2 is to 8 as 4 is to ________1. 18 2. 32 3. 36 4. 66 5. none
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