The perimeter is 40. How much bigger is the longest side than the shortest side
2 answers:
One possibly for a rectangle could be the sides equal 15 and 5.
So
15 + 15 = 30
and
5 + 5 = 10
So
30 + 10 = 40
The longest side would then be 10 units longer than the shorter side
Answer:
10
Step-by-step explanation:
40=2a-3+2a+3a+1
Add like terms.
40=7a-2
Get 'a' by itself.
40(+2)=7a-2(+2) [2 cancels out]
42(÷7)=7a(÷7) [7 cancels out]
a=6
Plug in the answer for equations.
Biggest: 3(6)+1= 18+1= 19
Smallest: 2(6)-3= 12-3=9
Subtract the smallest from the biggest.
19-9=10
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