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2 years ago

14

These are samples of student work. Both students got the same answer, but did the work differently. Which student did the work c

orrectly?

1 answer:

Alchen [17]2 years ago

3 0

Answer:

Student B did the problem corectly

Step-by-step explanation:

Student a did 3*4 while student B did 3*3*3*3 which would equal 27

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Una librería consta de 5400 libros repartidos en 3 estanterías

pishuonlain [190]

Answer:

B = 900 Libros

A = 2700 Libros

C = 1800 Libros

Step-by-step explanation:

A = 3B

2B = C

A + B + C = 5400

3B + B + 2B = 5400

6B = 5400

B = 5400 / 6

B = 900 Libros

A = 3B

A = 3(900)

A = 2700 Libros

C = 2B

C = 2(900)

C = 1800 Libros

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lyudmila [28]

Answer

Money has a set value, and bartered goods do not.

Money is more portable than bartered goods.

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Answer:

(8, 15 and 17)

Step-by-step explanation:

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If you were to write 164 in expanded form, it would be 100 + 60 + 4 = 164
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