F2 - Percentages Flashcards
1
Q
91% as a decimal
A
0.91
2
Q
147% as a decimal
A
1.47
3
Q
3% as a decimal
A
0.03
4
Q
0.7% as a decimal
A
0.007
5
Q
0.008 as a percentage
A
0.8%
6
Q
39% of £81
A
£31.59
7
Q
3.7% of £44
A
£1.63
8
Q
Increase £84 by 67%
A
1.67 x 84 = £140.28
9
Q
A mass is deceased by 8%.
The new mass is 5.3kg.
What was the original mass?
A
Let the original mass by X kg
Then X x 0.92 = 5.3
So X = 5.3/0.92 = 5.7608… ~ 5.76kg
