liz3sellisDeela liz3sellisDeela

14-12-2016
Mathematics

contestada

A construction worker is sent to the store to buy more than 30 lb of roofing nails. The nails are sold in 5 lb boxes and 10 lb boxes. The number of 5 lb boxes is represented by x, and the number of 10 lb boxes is represented by y.

Which inequality models this situation?
(Points : 1)
x + y > 30
x + y ≥ 30
5x + 10y > 30
5x + 10y ≥ 30

Respuesta :

scme1702 scme1702

17-12-2016

Weight of 5 lb boxes = 5x
Weight of 10 lb boxes = 10y

Total weight should be greater than 30 lbs.

5x + 10y > 30

The third option is correct.

Answer Link

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