SOLUTION: THE COST FOR PAINT TO COVER BOTH SIDES OF A LARGE ROAD-SIDE SIGN (FRONT SIDE AND BACK SIDE) WAS $150. A 5-GALLON CAN OF PAINT COSTS $25 AND WILL COVER 250 SQUARE FEET. THE SIGN IS

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Question 30128: THE COST FOR PAINT TO COVER BOTH SIDES OF A LARGE ROAD-SIDE SIGN (FRONT SIDE AND BACK SIDE) WAS $150. A 5-GALLON CAN OF PAINT COSTS $25 AND WILL COVER 250 SQUARE FEET. THE SIGN IS CONSTRUCTED IN THE SHAPE OF A TRAPEZOID. IT HAS ONE BASE MEASURING 35 FT AND ONE BASE MEASURING 40 FT. WHAT IS THE ALTITUDE OF THIS TRAPEZOID?
Answer by checkley71(8403) (Show Source):
You can put this solution on YOUR website!
ASSUMING IT REQUIRES ALL THE PAINT TO PAINT BOTH SIDES THEN ONE SIDE HAS 750 SQUARE FEET BECAUSE 150/25=6 GALLONS TIMES 250 SQUARE FEET = 1500 SQUARE FEET.
THE AREA OF ONE SIDE IS (35+40)/2 OR 37.5 FEET 37.5H=750 OR H=750/37.5 OR
H-20.