SOLUTION: Priscillla is ( x — 1 ) years old now . How old will she be on i : in 8 years time ii : 4 years ago iii : if her age is 8 years times is three times her age in 4 years ago

Question 1201888: Priscillla is ( x — 1 ) years old now . How old will she be on
i : in 8 years time
ii : 4 years ago
iii : if her age is 8 years times is three times her age in 4 years ago how old is she now ?
Found 2 solutions by mananth, ikleyn:
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
Priscillla is ( x — 1 ) years old now . How old will she be on

i : in 8 years time
Add 8 years to present age ( integer addition)
(x-1)+8
x-1+8
=(x+7)
ii : 4 years ago
Subtract 4 years from present age
(x-1) -4
x-1-4
x-5 years
???
iii : if her age in 8 years times is three times her age 4 years ago how old is she now ?
4 years ago age = x-5
After 8 years age = x+7 years
3(x-5) = x+7
3x-15 = x+7
add 15 to both sudea
3x-15+15 = x+7+15
3x = x+22
Subtract x from both sides
3x-x = x+22-x
2x =22
divide both sides by 2
2x/2 = 22/2
x=11
Her present age is (x-1) plug x=11
11-1 = 10 years
Her present age is 10 years

Answer by ikleyn(52797) (Show Source): You can put this solution on YOUR website!
.

I would edit your post this way

Priscilla is ( x — 1 ) years old now . How old will she be i : in 8 years time <<<---=== future time: using "will" is correct. ii : 4 years ago <<<---=== past time: using "will" contradicts to English grammar. iii : if her age 8 years is three times her age 4 years ago how old is she now ?

to make it clear for people around.

Actually, the answers to (i) and (ii) are more than obvious (same as 3-1 = 2),
so I do not see a real reason to ask the tutors about it.

Consider to hire one-two-three-five-seven assistants who will edit your writing after you.

Or, which is much better, do not even try to invent your own Math problems.
Do not litter the Internet.

And do not tell me that it is your professor, who created and assigned this problem for you.

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