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Sagot :
No, the students answer is decently far off the correct answer would be 1 7/10 pounds because, to add fractions you first need to find a common denominator that both of the numbers go into for example for this one 10 is a common denominator because 5 goes into 10 twice and 10 goes into 10 once so we multiply 4/5 by 2 because it take twice the amount of 5 to get to 10 and what we do to one side we must replicate on the other side as well. Like so,
4/5*2=8/10 now all the we have to do is take 8/10+9/10=17/10 and simplifying that down you get 1 7/10 because 10 goes into 17/10 one time with 7 left over and because 7 is prime that answer can not be simplified down any more.
Enjoy!=)
4/5*2=8/10 now all the we have to do is take 8/10+9/10=17/10 and simplifying that down you get 1 7/10 because 10 goes into 17/10 one time with 7 left over and because 7 is prime that answer can not be simplified down any more.
Enjoy!=)
The answer is no, because the net weight or the pounds the packages weigh together isn't close to 5 pounds---------->
given
two packages of hamburgers
4/5 of a pound, package 1
9/10 of a pound, package 2
--------------------------------
10/10 =1pound
5X 10/10= 50/10= 5pounds
first convert both to same denominator, find the lowest common multiple between the denominators, 10,5
10 is the smallest so lets turn all answer into something over #/10
4 X
-- = --
5 10
√
5x2=10
what ever you multiply the bottom you multiply to the top
we multiplied the bottom by 2 so we need to multiply the top by 2/ 4X2=8
8
--
10
-------------
since 9/10 already has 10 in the denominator we can keep this as this is
-----------------------------------------------------------------------------------
8 9 17 7 17 17 50
-- + --= --- = 1 -- =---pounds of hamburgers. -- ≠5 pound/ --- pounds
10 10 10 10 10 10 10
≠ doesn't/don't equal
check with teacher
given
two packages of hamburgers
4/5 of a pound, package 1
9/10 of a pound, package 2
--------------------------------
10/10 =1pound
5X 10/10= 50/10= 5pounds
first convert both to same denominator, find the lowest common multiple between the denominators, 10,5
10 is the smallest so lets turn all answer into something over #/10
4 X
-- = --
5 10
√
5x2=10
what ever you multiply the bottom you multiply to the top
we multiplied the bottom by 2 so we need to multiply the top by 2/ 4X2=8
8
--
10
-------------
since 9/10 already has 10 in the denominator we can keep this as this is
-----------------------------------------------------------------------------------
8 9 17 7 17 17 50
-- + --= --- = 1 -- =---pounds of hamburgers. -- ≠5 pound/ --- pounds
10 10 10 10 10 10 10
≠ doesn't/don't equal
check with teacher
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