How much money does Ishare have? If he spends (2)/(5) of his money, how much does he remain with?

Mathematics

ScanSolve AI Answer

Answers

5 parts
a

3960\text{3960}

b

40000\text{40000}

c

660\text{660}

d

36100\text{36100}

e

4302\text{4302}

480\text{480}

Step-by-step solution

17 steps

here are the solutions for the math problems:

28. How much money does Ishare have? If he spends 25\frac{2}{5} of his money, how much does he remain with?
This question is incomplete as the initial amount of money Ishare has is not provided. To calculate how much money he remains with, we need to know the total amount he started with.

29. Use quick multiplication methods to calculate the following:

Part a· 3 steps

40×9940 \times 99

  1. Rewrite 99 as (100−1)(100 - 1).

    40×99=40×(100−1)40 \times 99 = 40 \times (100 - 1)

  2. Apply the distributive property.

    40×100−40×1=4000−4040 \times 100 - 40 \times 1 = 4000 - 40

  3. Perform the subtraction.

    4000−40=39604000 - 40 = 3960

    The product is 3960\boxed{\text{3960}}.

Part b

40000\text{40000}

400×100400 \times 100

  1. Multiply the non-zero digits.

    4×1=44 \times 1 = 4

  2. Count the total number of zeros in both numbers (two in 400 and two in 100) and append them to the product.

    400×100=40000400 \times 100 = 40000

    The product is 40000\boxed{\text{40000}}.

Part c

660\text{660}

60×1160 \times 11

  1. Rewrite 11 as (10+1)(10 + 1).

    60×11=60×(10+1)60 \times 11 = 60 \times (10 + 1)

  2. Apply the distributive property.

    60×10+60×1=600+6060 \times 10 + 60 \times 1 = 600 + 60

  3. Perform the addition.

    600+60=660600 + 60 = 660

    The product is 660\boxed{\text{660}}.

Part d

36100\text{36100}

380×95380 \times 95

  1. Rewrite 95 as (100−5)(100 - 5).

    380×95=380×(100−5)380 \times 95 = 380 \times (100 - 5)

  2. Apply the distributive property.

    380×100−380×5=38000−1900380 \times 100 - 380 \times 5 = 38000 - 1900

  3. Perform the subtraction.

    38000−1900=3610038000 - 1900 = 36100

    The product is 36100\boxed{\text{36100}}.

Part e

4302\text{4302}

478×9478 \times 9

  1. Rewrite 9 as (10−1)(10 - 1).

    478×9=478×(10−1)478 \times 9 = 478 \times (10 - 1)

  2. Apply the distributive property.

    478×10−478×1=4780−478478 \times 10 - 478 \times 1 = 4780 - 478

  3. Perform the subtraction.

    4780−478=43024780 - 478 = 4302

    The product is 4302\boxed{\text{4302}}.

    30. How many times does 0.01 go into 4.8?

  4. Set up the division problem.

    4.80.01\frac{4.8}{0.01}

  5. To eliminate the decimal in the divisor, multiply both the numerator and the denominator by 100.

    4.8×1000.01×100=4801\frac{4.8 \times 100}{0.01 \times 100} = \frac{480}{1}

  6. Perform the division.

    4801=480\frac{480}{1} = 480

    0.01 goes into 4.8 exactly 480\boxed{\text{480}} times.

    31. In the table below are marks obtained in mathematics test by children of P5 group.
    The question related to this table is incomplete. The table shows:

    Marks72015912
    Frequency85888

    Please provide the full question for this section, and I'll be happy to help you solve it!

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