Question 1101819
s+b+m=25000
.08s+.10*b+.06m=1860
m=2b
s+b+2b=25000
s+3b=25000
.08s+.10*b+.06*2b=1860

.08s+.22b=1860
s+3b=25000
*[invoke linear "s", "b", .08, .22, 1860,1, 3, 25000]
m=2b
m=14000
check
4000+7000+14000=25000
ok
check
.08s+.10*b+.06m=1860
.08 *4000+.10*7000+.06*14000=1860
320+700+840=1860
1860=1860
ok