Page 148 - Start Up Mathematics_3

3. From the sum of ` 715.30 and ` 257.80 subtract ` 526.75.

4. Subtract the sum of ` 28.75 and ` 6.95 from ` 49.25.

5. From the sum of ` 98.75 and ` 242.36 subtract the sum of ` 82.50 and ` 117.40.

6. Do as directed.
(a) Add ` 13.45, ` 27.09 and ` 15.67. A Challenge!

(b) Add ` 720.07, ` 442.34 and ` 919.05. 1. What should be added to
` 18.27 to get ` 47.65?
(c) Subtract ` 232.55 from ` 570.20. 2. What should be subtracted

(d) Subtract ` 244.44 from ` 398.89. from ` 86.49 to get ` 32.57?
(e) Add ` 285.68, ` 628.97 and ` 931.07.

(f) Subtract ` 987.64 from ` 2199.99.

7. Put the correct sign <, > or =. Know More

(a) ` 3.65 + ` 2.45 ` 3.42 + ` 2.64 Cattle are probably the
oldest of all forms of
(b) ` 28.21 – ` 15.15 ` 7.25 + ` 5.81 money.

(c) ` 13.25 + ` 6.14 ` 26.75

Multiplication of Money

Multiplication of money is the same as multiplication of any two numbers.

When multiplying ` and p by a number, write ` and put a point in the answer, two
places from the right.

Example 8: Multiply ` 36 by 4.

2
Solution: ` 3 6
× 4

` 1 4 4

Answer: ` 144

Example 9: Multiply ` 47.25 by 9.

6 2 4
Solution: ` 47.25

× 9
` 425.25

Answer: ` 425.25

140