Two pipes fill a tank. In an hour Pipe A delivers x litres and Pipe B delivers y litres. Together in one hour they deliver 90 litres, and Pipe A delivers 30 litres more than Pipe B. Using two linear equations, find how many litres Pipe A delivers in an hour.

Question

Accepted Answer

60. x + y = 90 and x = y + 30. So (y + 30) + y = 90, 2y = 60, y = 30, x = 60 litres.

Two pipes fill a tank. In an hour Pipe A delivers $x$ litres and Pipe B delivers $y$ litres. Together in one hour they deliver 90 litres, and Pipe A delivers 30 litres more than Pipe B.
Using two linear equations, find how many litres Pipe A delivers in an hour.

Step-by-Step Solution

Master this chapter in 30 minutes a day.

More Class 9 Word Problems practice

Two pipes fill a tank. In an hour Pipe A delivers x litres and Pipe B delivers y litres. Together in one hour they deliver 90 litres, and Pipe A delivers 30 litres more than Pipe B.Using two linear equations, find how many litres Pipe A delivers in an hour.

Step-by-Step Solution

Master this chapter in 30 minutes a day.

More Class 9 Word Problems practice

Two pipes fill a tank. In an hour Pipe A delivers $x$ litres and Pipe B delivers $y$ litres. Together in one hour they deliver 90 litres, and Pipe A delivers 30 litres more than Pipe B.
Using two linear equations, find how many litres Pipe A delivers in an hour.