I will give brainlist!!

I gave both percentage and price.

10 years:

Coin A) is worth 25$ with 7%  $25.70  0.7%

Coin B) is worth 50$ with 5% $50.50  0.5%

Coin C) is worth 60$ with 4% $60.40 0.4%

20 years:

Coin A) $26.40  1.4%

Coin B) $51.00  1%

Coin C) $60.80  0.8%

30 years:

Coin A) $27.00  2%

Coin B) $51.50  1.5%

Coin C) $61.20  1.2%

60 years:

Coin A) $29.20  4.2%

Coin B) $53.00  3%

Coin C) $62.40  2.4%

687.09 dollars       happy now

step-by-step explanation: 6870

1857 times .63 equals 1169.91 subtract that from 1857 you get 687.09