Integers/Index
-6 + 3 =
Write 10/50 as a %
20%
x - 5 = 12
17
Write the result 15 out of 25 as a %?
60%
15/25 x 100
1/4 + 1/2 =
3/4
15 - (-6) =
21
25% of 60?
15
9x = 27
3
4.5
10/100 x 45
1/7 x 3/4 =
3/28
(-5) x (-3) =
15
Decrease 70 by 20%
70 x 0.2 = 14
70 - 14 = 56
4y - 6 = 18
4y = 24, y = 6
Find 42% of 80
33.6
42/100 x 80
2/5 + 4/15 =
(show working, simplify)
10/15 = 2/3
(Enter your answer into your calculator for simplified)
4 x (-6)
-24
GST is 10%. Add GST to $620
620 x 0.1 = 62.
620 + 62 = $682
a/5 - 4 = 6
a/5 = 10, a = 50
Increase 80 by 15%
92
1/7 + 2/5 =
5/35 + 14/35 = 19/35
(-45) divide 9 =
-5
Decrease 50 by 20%, and then decrease it again by 5.5%.
50 x 0.2 = 10 (40). 40 x 0.055 = 2.2
= 37.8
2y + 6 + 3y = 21
5y + 6 = 21, 5y = 15, y = 3
GST is 10%. Add GST to $530
$583
10% is 53. 530 + 53.
4/9 + 3/4 =
(show working and simplify)
16/36 + 27/36 = 43/36 = 1 7/36