29.09.2020 Views

Solucionario completo de Aritmetica de Baldor (Por Leonardo F. Apala T.)

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

SOLUCIONARIO DE ARITMETICA DE BALDOR

-20. 16 2 % de 1 650

3

16 2 % = 1 650 ÷ 6 = 275

3

-21. 4% de 300 1 5

4% de 300 1 = 300.2 ÷ 25 = 12.008

5

-22. 5% de 108.50

5% de 108.50 = 108.50 ÷ 20 = 5.425

-23. 25% de 56.84

25% de 56.84 = 56.84 ÷ 4 = 14.21

-24. 50% de 108.88

50% de 108.88 = 108.88 ÷ 2 = 54.44

-25. 75% de 1

75

75% de 1 75 = 1 75 × 3 4 = 1

100 = 0.01

-26. 80% de 97

80% de 97 = 97 × 4 = 77.6

5

-27. 10% de 105 3 8

10% de 105 3 = 105.375 ÷ 10

8

= 10.5375

-28. 12 1 % de 105 704

2

12 1 % de 105 704 = 105 704 ÷ 8

2

= 13 213

-29. 16 2 3 % de 1 6

16 2 3 % de 1 6 = 1 6 ÷ 6 = 1 36

-30. 1% de 1

1% de 1 = 1 ÷ 100 = 0.01

EJERCICIO 305

¿De qué número es

-1. 35 el 5%?

x =

5 % …… +

35

100 %

+ …… x

100 × 35

= 700

5

-2. 60 el 90%?

90 % …… +

60

100 %

+ …… x

100 × 50

100 × 60

x = = 100 × 2 = 200

90 3 3 = 66 2 x =

2/5

3

-3. 115 el 82%?

82 % …… +

115

100 %

+ …… x

100 × 115 50 × 115

x = = = 140 10

82 41

41

x =

-4. 420 el 36%?

-10. 24 el 1

%?

36 % …… 16

+

420

100 %

+ …… x

100 × 420

x = = 3 500 = 1 166 2 36 3

3

100 × 24

-5. 850 el 72%?

x =

1/16

72 % …… +

850

-11. 70 el 3 1 %? 2

100 %

+ …… x

100 × 850

x = 1 180 5 72

9

-6. 16 el 1 %? 4

100 × 70

x =

− 1

4 % …… +

3 1 2

16

-12. 84 el 5 1 %? 4

100 %

+ …… x

100 × 16

x = = 1 600

1/4 1/4 = 6 400

-7. 40 el 1 %? 8

100 × 84

x =

− 1

8 % …… +

5 1 40

4

100 %

+ …… x

-13. 48 el 3 1 %? 5

100 × 40

x = = 4 000 = 32 000

1/8 1/8

-8. 50 el 2 %? 5

2

5 % …… +

50

100 %

+ …… x

= 5 000 = 12 500

2/5

-9. 95 el 3 5 %? − 3

5 % …… +

95

100 %

+ …… x

100 × 95

= 9 500

3/5 3/5 = 15 833 1 3

1

16 % …… +

24

100 × 48

x =

3 1 5

100 %

+ …… x

= 2 400 = 38 400

1/16

3 1 2 % …… +

70

100 %

+ …… x

= 7 000

7/2 = 2 000

5 1 4 % …… +

84

100 %

+ …… x

= 8 400

21/4 = 1 600

3 1 5 % …… +

48

100 %

+ …… x

= 4 800

16/5 = 1 500

LEONARDO F. APALA TITO 419

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!