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decimals fractions and per cents Flashcards | StudBud
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decimals fractions and per cents
decimals fractions and per cents
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#decimals#fractions#percents
Flashcards
15 cards
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Questions
15
Answers
1
25% of a certain number is 15. What is the number?
35
30
60
37,5
2
Calculate 20% of 91.
9,1
18,2
12,8
12
3
Work out 50% of £60.
50
34
33
30
4
30 is what percent of 150?
20%
25%
23%
30%
5
A store has a sale for 25 % off. You buy a tie that costs $30. How much money will you save?
7
7,5
22,5
5.7
6
Write 0,3456 as a percent. Round to the nearest tenth of a percent.
34,5%
34%
34.46%
34.6%
7
Convert 75% to a fraction.
3/2
3/4
4/3
3/5
8
Out of 3500 students of a school, only 36% passed. Find how many students failed.
1200
126
2240
1260
9
Write 445% as a decimal.
0,445
445
44,5
4,45
10
Sales tax is 6% and you spend $42. How much money will you spend on tax?
700
7
2.52
2,25
11
Round 456,536 to the second decimal place
457
460
456
456,54
12
Round 23,545 to the second significant figure.
23,55
23,5
23
24
13
A car cost £12,000. After 3 years it is worth £8,000. What is the percentage decrease?
66%
33%
12,5%
33,(3)%
14
What is 14 % of 120?
25
16,8
18,6
16
15
Convert decimal 0,0(23) into fraction.
23/99
23/990
23/9
23/999
