Laura gains 7.2 kg from August to September. This is 12% increase in her mass. What is Laura’s mass in September?
Answers
Answered by
1
Answer:
the answer is 60 kg
Step-by-step explanation:
new value/old value = new percentage/ old percentage
(x+7.2) /x = 112/100
we cross multiply, this will give us:
100x + 720 = 112x
112x -100x= 720
12x=720
12x/12 = 720/12
x=60 kg
Answered by
0
Answer:
18/25 okkkkkkkkkkkkkkkkkkk
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