A box of hot cocoa mix has 15 packets. Each packet has a mass of 28.3 grams. What is the mass of two boxes of the hot cocoa mix? plz help

849grams

Step-by-step explanation:

28.3 times 15 = 424.5grams(1 box)

424.5(1st box) + 424.5(2nd box) = 849 grams

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".

i think is 3 and 6. this took me 10 min to think.hope to and hope that my answer is brainliest.(follow me )