Posted by princess aimee f. santos on Saturday, July 14, 2012 at 2:15pm.
the number is abc,def,ghi
d=5 so abc,5ef,ghi
f=d+3, so abc,5e8,ghi
a=f/2=4, so 4bc,5e8,ghi
b=a+d=9, so 49c,5e8,ghi
rest=0, so 490,508,000
write the roman numerals that comes before;
1. CDX__________
2. MMD____________
find the value of the missing number;
1. 48+85-N-39=21
2.96+15-N+76=100