help solve these all plzz
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Anonymous:
hiii
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Answered by
1
1. let the two numbers be x and y.
x+y=27
x=27-y
x = y - 5
27-y = y-5
-y-y=-5+27
-2y=22
y=-11
Answered by
1
Q1
Let the first number be x
and the other be x-5
ATQ ,.
x+x-5= 27
2x-5 =27
2x= 27+5
2x = 32
x=16
so x is the first number so the other number would x-5 that is 11
there fore the two numbers. are 11 and 16
Q3
let the unknown no. be x
ATQ
3x+10=4
3x = 10-4
3x=6
x=2
Q5
let the breadth be x
let the length be 2x
perimeter=2(l+b)
ATQ
2(x+2x)= 36
2x+4x=36
6x= 36
x= 6
so the length is 12
and the breadth is 6
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