Question 902080
x+y=12500,
0.02*x+0.05*y=370
x=12500-y
0.02*(12500-y)+0.05*y=370
250-0.02y+0.05*y=370
0.03*y=120
y=4000 at 5%
x=12500-y
x=8500 at 2%
check
0.02*8500+0.05*4000=370
170+200=370
370=370
ok