book Maths Puzzle Numerical Ability

Pablo is driving 40 miles per house. After he has driven 30 miles, his brother Ricardo starts driving in the same direction. At what rate must Ricardo drive to catch up with Pablo

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Solve 2-2(y-1) < 2y-6
The problem is less than or equal to, I couldn't figure out how to put the equal to symbol Thirty students bought pennants for the football game.Plain pennants cost $4 each and fancy ones cost $8 each.if the total bill was 168 how many students bought the fancy pennants