Mishieeviz
Answered

An elevator at a construction site has a maximum capacity of 3000 lbs. If the elevator weighs 160 lbs. each cement by weights 60 lbs How many bags of cement can be safely lifted on the elevator in one trip.

take note : i need answers in an inequality equation

Sagot :

Jers15viz
x-number of bags

160lbs+60x≤3000 lbs
60x≤2840 lbs
x≤47 1/3

Hope this helps =)
Tgf45viz
Let X be the number of cement bags.

X(60 lbs) + 160 lbs ≤ 3000 lbs
X(60 lbs) ≤ 3000 lbs - 160 lbs
            X≤ (2840/ 60)
            X≤ 47                  (ans.)