Answer:
I'm pretty sure it's 4 years it's what you think.
Answer: Mom = 33 Son = 11
Step-by-step explanation:
A mother is three times as old as her son
Mom age =3x
AFTER 11 YEARS:
Son’s age =x+11
Mom’s age =3x+11
Also, she will be just twice his age
3x+11 = 2*(x+11)
or,3x+ 11 = 2x +22
or,3x-2x= 22–11
or, x=11
Son’s age = 11 years and mom’s age = 33 years
Answer:
726
Step-by-step explanation:
The simple interest formula is as follows
AV=PV(1+it)
At time four this means that we have
AV=600(1+.042*5)
600*1.21= 726
Answer:
fgrth hetrhw w 4yrty
Step-by-step explanation:
wjy kqgelur o;euro;gwegrg;oycro;a
Answer:
70 cards
Step-by-step explanation:
Let A = the number of Andys cards
J = the number of Jons cards
Jon and Andy had a total of 560 trading cards
A+J = 560
After Jon gave 1/9 of his trading cards to Andy, they has an equal number of trading cards
J - 1/9 J = 1/9 J +A
Combine like terms
8/9 J = 1/9 J +A
Subtract 1/9J from each side
7/9J = A
Substitute this into A +J = 560
7/9J +J = 560
Combine like terms
7/9J +9/9J = 560
16/9 J = 560
Multiply each side by 9/16
9/16 *16/9 J = 560 *9/16
J =315
Jon originally had 315 cards
Now we need to find Andys cards
7/9J = A
7/9 (315) =A
245=A
How many more trading cards did Jon have that Andy in the beginning?
We need to take Jons cards and subtract Andys cards
J-A
315-245
70
