pls give me the answer for this now fast
Attachments:
Answers
Answered by
0
Step-by-step explanation:
Fatima age be x
mother age x+27
grandmother age x+27+22=x+49
x+x+27+x+49=121
3x=121-76=45
x=15
mother age=42
grandmother age 64
11)
7x-5x=16
x=8
number are 56 ,40
12)
three consecutive number are n-1,n,n+1
3(n-1)+4n+5(n+1)=386
3n+4n+5n+5-3=386
12n=384
n=32
number 31,32,33
13)
3x+2x-20+5x-40=180
10x=180+60=240
x=24
angles 72,28,80
14)
x=y+z
x+y+z=180
2x=180
x=90
y+z=90
7a+8a=90
15a=90
a=6
y=42. z=48
Answered by
1
Step-by-step explanation:
Sol:- 10
Sum of their ages– 121
Age of Femina– x
Age of Femina's mother– x+27
Age of Femina's grandmother– x+49
Hence:
x+x+27+x+49 = 121
3x+76 = 121
3x = 121–76
3x = 45
x = 45/3
x = 15
Femina's age = x = 15
Femina's mother's age = x+27 = 15+27 = 42
Femina's grandmother's age = x+49 = 15+49 = 64
Similar questions