The plan

Students have collected 48 kg of paper, which is 16% of the plan. How many kilograms of paper still have to collect to fulfill the plan?

Correct answer:

x =  252 kg

Step-by-step explanation:


48 = 0.16 p
x=p-48

48 = 0.16·p
x=p-48

0.16p = 48
p-x = 48

Pivot: Row 1 ↔ Row 2
p-x = 48
0.16p = 48

Row 2 - 0.16 · Row 1 → Row 2
p-x = 48
0.16x = 40.32


x = 40.32/0.16 = 252
p = 48+x = 48+252 = 300

p = 300
x = 252

Our linear equations calculator calculates it.



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