book Maths Puzzle Numerical Ability

Find the area of the trapezoid at the right by combining the area of the triangle and the area of the rectangle. Now I don't really know how to explain how this figure looks but I

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144+G=78 I am learning solving equations by addind or subtracting numbers At 10:00 A.M. , a car leaves a house at the rate of 60mi/h. At the same time,another car leaves the same house at a rate of 50 mi/h in the opposite
direction. At what time will t