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sebasp42
20.09.2020 •
Mathematics
Use the digits 4,5 6 and 7 to create two 3 digit numbers where the sum is between 1,000 and 1,100 and the difference is less than 100. Explain your thinking!!
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Ответ:
Step-by-step explanation:
let the width be x
then length is 3x+8
now
we have
p= 2(l+b)
or, 352=2(3x+8+x)
or, 352/2=4x+8
or, 176=4x+8
or, 176-8=4x
or, 168=4x
or, x=168/4
therefore x=42
width =42 yards
length =3x+8=3*42+8=134yards
HOPE IT HELPS