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Marta_Voda [28]
4 years ago
10

In the visit to the Old Folks' Home last weekend, Alice spent time chatting with Mr Han and helping him with simple chores. She

found that Mr Han is 36 years older than her. 7 years later, Mr Han will be 3 times as old as her. How old is Mr Han now?
Mathematics
JOELVEE
3 years ago
ALICE=X, HAN=36+X AFTER 7 YEARS ALICE= X+7, HAN=X+43 AFTER 7 YEARS, MR. HAN IS 36+X +7, AND HE IS 3X THE AGE OF ALICE, OR: X+43=3(X+7). SOLVING FOR X: X+43=3X+21 (DISTRIBUTE 3 TO X AND 7) FLIP FORMULA TO 3X+21=X+43 ADD -X-21 TO BOTH SIDES 2X=22 DIVIDE BOTH SIDES WITH 2 X=11 ALICE IS 11, MR. HAN IS 47 NOW AFTER 7 YEARS, ALICE IS 18 MR. HAN IS (47+7) 54 TO CHECK: 54 DIVIDED BY 3 = 18
1 answer:
Verizon [17]4 years ago
5 1

I think Mr. Han is around the 60 or 70 age.

I am really sorry that I couldn't answer this problem.  Try starting with 21 and multiply that by 3.  To check if you can do it, add 43 to the number you multiply 3 with.  Again, i am really sorry that i only wrote a hint.  Good luck finding the answer!

JOELVEE
3 years ago
cripes, you suck in math
JOELVEE
3 years ago
ALICE=X, HAN=36+X AFTER 7 YEARS ALICE= X+7, HAN=X+43 AFTER 7 YEARS, MR. HAN IS 36+X +7, AND HE IS 3X THE AGE OF ALICE, OR: X+43=3(X+7). SOLVING FOR X: X+43=3X+21 (DISTRIBUTE 3 TO X AND 7) FLIP FORMULA TO 3X+21=X+43 ADD -X-21 TO BOTH SIDES 2X=22 DIVIDE BOTH SIDES WITH 2 X=11 ALICE IS 11, MR. HAN IS 47 NOW AFTER 7 YEARS, ALICE IS 18 MR. HAN IS (47+7) 54 TO CHECK: 54 DIVIDED BY 3 = 18
JOELVEE
3 years ago
alice is 11 now, mr. han is 47 now.
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