book Maths Puzzle Numerical Ability

The sum of three times one number and twice the second is -1. The ratio of twice the first to 3 times the second is -4:3. What are the numbers? I got the first equation -1=3x+2y.

Read Solution (Total 0)

book Other Question

{{{(x-2)^2/9+(y-4)^2/25=1}}} This equation defines an ellipse with center (___, ___). The major axis has length ____ and the minor axis has length ____. EaCH DAY A TRAIN LEAVES PARIS FOR MOSCOW AND AT THE SAME TIME ONE LEAVES MOSCOW FOR PARIS. THE JOURNEYS LAST EXACTLY SEVEN DAYS. HOW MANY TRAINS WILL A PASSENGER MEET ON THE JOURN