Answer:
A=542
Step-by-step explanation:
none, sorry
15% is the rate of discount
85% of 80 is 68
And 100-15= 85.
Answer:
12
Step-by-step explanation:
if you find it difficult you can always write is down as a piece of side working
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Hello,
Assume x the smallest side.
y the third side
z the largest side
z=2x-4
y=10+x
x+y+z=86
==>x+(10+x)+(2x-4)=86
==>4x=86-10+4
==>x=20, y=30 and z=36
