Pedro’s book weighs 19/4 pounds. Blanca’s book weighs 17/7 pounds. Use estimation to determine about how much more Pedro’s book weighs than Blanca’s. 1 lb 2 lbs 6 lbs 7 lbs

Respuesta :

Answer:

Pedro’s book weighs 2 more pounds than Blanca’s

Step-by-step explanation:

Pedro’s book weighs 19/4 pounds.

Blanca’s book weighs 17/7 pounds.

To find how much more Pedro’s book weighs than Blanca’s

Subtract Blanca's book weight from Pedro's book weight

[tex]\frac{19}{4} - \frac{17}{7}[/tex]

To subtract fractions , take common denominator

LCD = 4*7 = 28

[tex]\frac{19*7}{4*7} - \frac{17*4}{7*4}[/tex]

[tex]\frac{133}{28} - \frac{68}{28}[/tex]

[tex]\frac{65}{28}[/tex]

2.3214

2 lbs

Pedro’s book weighs 2 more pounds than Blanca’s


Answer:

2lbs

Step-by-step explanation:

We are given that

Weight of Pedro's book=[tex]\frac{19}{4} =4.75 lbs[/tex]

Weight of Blanca's book=[tex]\frac{17}{7} =2.42 lbs[/tex]

We have to determine how much more Pedro's book weight than Blanca's using estimation

Difference between weight of book of Pedro and Blanca

=4.75-2.42

Difference  between weight of book of Pedro and Blanca=[tex]2.3\sim 2 lbs[/tex]

Hence, the weight of Pedro's book is 2 lbs more than the weight of Blanca's book.

Answer: 2lbs