Question 992165
.
x=amount at 7%; y=amount at 7.5%
.
x+y=$25000
x=$25000-y
.
0.07x+0.075y=$1830
0.07($25000-y)=0.075y=$1830
$1750-0.07y+0.075y=$1830
0.005y=$80
y=$16000
ANSWER 1: $16000 was in the 7.5% account.
.
x=$25000-y=$25000-$16000=$9000
ANSWER 2: $9000 was in the 7% account.
. 
CHECK:
0.07x+0.075y=$1830
0.07($9000)+0.075($16000)=$1830
$630+$1200=$1830
$1830=$1830