Emma took 20 1/4 cookies for her sleepover there was 50 1/2, Ava took 20 1/6 how many cookies did they both take

40 5/12

Step-by-step explanation:

The cookies they both took can be determined by adding 10 1/4 and 20 1/6 together

the fraction is not in its simplest form, To transform the fraction to its simplest form, divide both the numerator and the denominator by 2

40 5/12

he used the algebra tiles correctly.

step-by-step explanation:

given : 3x(2x-1)

solution :

since he used algebra tiles .

armando's solution is the same in the solution shown in figure

as he distributed 2x into x and x and wrote them vertically

and also write   -1 vertically

and 3x into x and x and x and wrote it horizontally

performing the multiplication in the algebra tiles we get

and solving the given expression :

3x(2x-1)

since solving the expression using tiles   and solving the expression algebraically we get the same answer

thus   we can choose the first statement as the answer to this problem which is "he used the algebra tiles correctly".

my acc plz

step-by-step explanation: