Уроки математики и физики (RU + UA)

вторник, 20 декабря 2016 г.

Test 1. Percentages

 1. Change these percentages into fractions. Cancel the answers when possible.
80%

 а)  4/5;      b1/5;     
 c3/5;      d)  2/5. 

 2. Change these percentages into fractions. Cancel the answers when possible.
22%  

 а13/50;      b)   11/50;     
 c22/50;      d)   1/50.

 3. Change these percentages into fractions. Cancel the answers when possible.
32%

 а16/25;      b32/25;     
 c4/25;        d)  8/25.

 4. Change these percentages into fractions. Cancel the answers when possible.
95%

 а18/20;      b13/20;     
 c)  19/20;      d17/20.

 5. Change these percentages into fractions. Cancel the answers when possible.
48%  

 а11/25;      b)  12/25;     
 c13/25;      d9/25.

 6. Change these percentages into fractions. Cancel the answers when possible.
5%

 а7/20;      b3/20;     
 c9/20;      d)  1/20.

 7. Change these fractions into percentages (remember: multiply by 100 unless you can see a quicker way)
2/5

 а)  40%;      b)  60%;     
 c)  20%;      d)  70%.

 8. Change these fractions into percentages (remember: multiply by 100 unless you can see a quicker way)
7/10

 а)  60%;      b)  80%;     
 c)  70%;      d)  35%.

 9. Change these fractions into percentages (remember: multiply by 100 unless you can see a quicker way)
14/25

 а)  34%;      b)  60%;     
 c)  42%;      d)  56%.

10. Change these fractions into percentages (remember: multiply by 100 unless you can see a quicker way)
9/10

 а)  95%;      b)  90%;      
 c)  70%;      d)  85%.

11. Change these fractions into percentages (remember: multiply by 100 unless you can see a quicker way)
17/20

 а)  85%;      b)  90%;     
 c)  78%;      d)  84%.

12. Change these fractions into percentages (remember: multiply by 100 unless you can see a quicker way)
21/50

 а)  38%;      b)  40%;     

 c)  46%;      d)  42%.

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