Chapter 10 Pop Up Tools

To perform calculations

 

 

 

 

 

 

 

a

 

0.

 

53 + 123 – 63 =

53q123w63u

 

113.

 

963 (23 – 56) =

23w56e963u

 

– 31’779.

 

(56 3 – 89) 5.2 + 63 =

56e3w89r5.2

 

 

 

 

 

 

 

 

 

q63u

 

78.1923076923

 

1234567890 741852 =

1234567890e741852u

E

915.866658332

 

 

 

 

 

 

 

C

 

915.866658332

 

 

 

 

 

 

 

a

 

0.

 

 

3 5 =

3ye5u

 

8.6602540378

 

12 + 23 =

 

23qq12u

K +

35.

 

 

 

 

 

 

 

45u

 

 

 

45 + 23 =

 

K +

68.

 

 

 

 

 

 

 

5.6ww7u

 

 

 

7 – 5.6 =

K –

1.4

 

 

 

 

 

 

 

2u

 

 

 

2 – 5.6 =

K –

– 3.6

 

 

 

 

 

 

 

 

 

 

 

2.3 12 =

12ee2.3u

K

27.6

 

 

 

 

 

 

 

 

 

4.5 12 =

4.5u

K

54.

 

 

 

 

 

 

 

 

 

45 9.6 =

9.6rr45u

K

4.6875

 

 

 

 

 

 

 

 

 

78 9.6 =

78u

K

8.125

 

 

 

 

 

1500e12t

 

 

 

12% of 1500

 

180.

 

Percentage of 660 against 880

660r880t

 

75.

 

15% add-on of 2500

2500e15tq

 

2’875.

 

25% discount of 3500

3500e25tw

 

2’625.

 

What will the selling price and profit

480q25t

 

640.

 

be when the purchasing price of an

w

 

160.

 

item is $480 and the profit

 

 

 

 

rate to the selling price is 25%?

 

 

 

 

If you made $80 last week and $100

100w80t

 

25.

 

this week, what is the percent

 

 

 

 

increase?

 

 

 

 

 

 

80 9 = 720

{80e9

M

720.

 

–) 50 6 = 300

50e6}

M

300.

 

 

 

20 3 = 60

20e3

M

60.

 

480

 

\

M

480.

 

 

 

 

 

 

 

 

 

 

116