Question

1. How tall is the table?

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Answer 1

Answer:

Table is 150cm tall.

Step-by-step explanation:

x- cat, y- tortoise, z- table.

case l : x - y + z = 170 cm.

case l : -x + y + z = 130 cm.

adding both cases,

2z = 300 cm

so ,

z = 150 cm.

hence table is 150 cm tall.

Answer 2

Answer:

Say table is x cm tall,

cat is c cm tall and

tortoise is t cm tall.

so

x+c-t= 170 and

x+t-c= 130

adding these 2 equations

we get

2x=300

and

x= 150 cm ANSWER.