daniel230347 daniel230347

09-06-2020
Mathematics

contestada

A piece of timber is x cm long. 7 cm is cut off. How much is left?

Respuesta :

williamd5 williamd5

09-06-2020

Answer:

x-7>0

Straight answer: x-7

Step-by-step explanation:

Assuming that the timber is X cm long and 7cm was cut off, there remaining amount is x - 7cm. In order for 7cm to be cut off, the timber must have been > 7cm long => x > 7 => x - 7 > 0

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