book Maths Puzzle Numerical Ability

(1) lizzie had two amounts of pens. the product of these 2 amounts proved to be 126. one factor is 3 greater than 3 times the other. what are the 2 amounts of pens she has?

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I need help with these two problems please help me.

The Greater of two consecutive integers is 15 more than twice the smaller. Find the integers. I am supposed to solve for x by graphing solution on a number line:

1/3 (absolute value vertical line) 2x-1 (absolute value vertical line) (greater than/equal to symbol) 4