Page 156 - Start Up Mathematics_4
P. 156
Conversion of Money
You already know that ` 1 = 100 paise or 100 p = ` 1.
1 Quick Tip
Thus, 1 p = `
100 To divide by 100, place or
shift the dot 2 places to
2
2 p = ` and so on. the left.
100
Example 1: Convert ` 13.75 to paise.
Solution: ` 13.75 = ` 13 and 75 p
= 1,300 p and 75 p
= 1,375 p
Example 2: Convert (a) 82 p and (b) 645 p to rupees.
82
Solution: (a) 82 p = ` A Challenge!
100
= ` 0.82 Arrange 463 p, 972 p, ` 6.25,
` 15.05, 2810 p, ` 27.10 in
645
(b) 645 p = ` descending order.
100
= ` 6.45
Addition and Subtraction of Money
Addition and subtraction of larger amount of money is similar to addition and subtraction
of smaller amounts.
Example 3: Add ` 1,206 and ` 1,435.65. Example 4: Add ` 2,436.25, ` 684.50 and
` 19.75.
1
Solution: ` 1 2 0 6 . 0 0 1 1 2 1 1
Solution: ` 2 4 3 6 . 2 5
+ ` 1 4 3 5 . 6 5
` 2 6 4 1 . 6 5 ` 6 8 4 . 5 0
+ ` 1 9 . 7 5
Answer: ` 2,641.65
` 3 1 4 0 . 5 0
Answer: ` 3,140.50
Example 5: Subtract ` 397.45 from ` 1,268.84.
11
0 1 16 7 14
Solution: ` 1 2 6 8 . 8 4
– ` 3 9 7 . 45
` 8 7 1 . 3 9
Answer: ` 871.39
148
