Mathematics, 24.12.2019 02:31 001234567891011
Which situation is best modeled with a division expression?
a-finding the number of equal-sized parts into which a number can be split
b-finding the combined value of several different numbers
c-finding the distance between two numbers on a number line
d-finding the total value when several of the same number are grouped together
and joylin’s work to solve a math problem is shown below.
problem: manny walked 5/16 of the distance to the library in 1/3 of an hour. if he walks at a constant rate, what is the total amount of time he will spend walking to the library?
what was joylin’s first error?
a-she switched the divisor and the dividend when creating an equation to model the problem in step 1.
b-she replaced both the divisor and the dividend with their reciprocals when changing division to multiplication in step 2.
c-she multiplied the two numerators and the two denominators to generate her product in step 3.
d-she reduced the improper fraction incorrectly when getting her final answer.
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Which situation is best modeled with a division expression?
a-finding the number of equa...
a-finding the number of equa...
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