Question

tell me fast answer of 45 and 46

Answer 1

Q45
Length of first part = x ft
Length of second part = x+1 ft
Length of third part = x+1+1 = x+2 ft

According to the question,

x+x+1+x+2=27
x+x+x+1+2=27
3x+3=27
3x=27-3=24
x=24/3 = 8

Length of
first part = 8 ft
second part = 9 ft
Third part = 10 ft


Q46
Present age of Sonia = n years
Present age of Wendy = n+2 years

After 5 years,
Age of Sonia = n+5 years
Age of Wendy = n+2+5 = n+7 years

According to the question,

n+5+n+7=20
2n+12=20
2n=20-12=8
n=8/2=4

Present age of Sonia = n = 4 years
Age of Wendy after 5 years = n+7 = 11 years