Answer:
36cm^2
Step-by-step explanation:
4cm×9cm=36cm^2
-3/5 = -6/10
9/10 - 6/10 = 3/10
2x + 40
Divide both sides by 2
You get x + 20
Answer:
Set this up as a proportion.
54/n = 75/100
Now solve for n and finish from here.
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