A mother is three times as old as her daughter. Six years ago the mother's age was six times that of her daughter. What is their
present age?
1 answer:
The mum's age now = N
The daughter's age now = n
N=3n
N-6=6(n-6)
3n-6=6n-36
3n=30
n=10
The daughter's age now = 10
The mum's age now = 30
You might be interested in
Answer:
352 calls
Step-by-step explanation:
Each day he makes 7 calls and 36 days have gone by so you'll multiply 36 and 7.
Answer:
1. r = 2.5 mm
2. r = 12ft
3. d = 34 cm
for 4-6 you use 2(pi) r
4. 25.1 ft
5. 40.8 cm
6. 22 mi
Answer: 3v
Step-by-step explanation:
Answer:
Side = 16 cm, side = 9 cm, side = 8 cm
Step-by-step explanation:
Side = 16 cm, side = 9 cm, side = 8 cm
Answer:
3.7 < 4.7
Step-by-step explanation:
Find the square root of 3 (1.732 and I rounded to the tenth place) and add 2 then add 1.7 + 3 and 3.7 is less than 4.7