5. A trapezoidal gutter is to be made from a strip of metal 22 cm. wide by bending up the edges, If the base is 3. A box is to be made of a piece of cardboard 10 in square by cutting equal squares out of the corners and 14 cm. wide, what width across the top gives the greatest carrying capacity. turning up the sides. Find the volume of the largest box that can be made in this way. 1. What positive number added to its reciprocal gives the minimum sum. A. 15 cm A. 72 cu. in. A. 2 B. 15.5 cm 8. 73 cu. in C. 16 cm B. 3 C. 75 cu. in D. 16.5 cm D. 74 cu. in C. 1 E. none of the above none of the ahove D. - 1 E. none of the above O A O A OA O B O B OB O C O c O c OD 2. A rectangular lot is bounded at the back of the river, No fence is needed along the river and there is to be a 4 m opening in front. If the fence along the front cost P3.00 per meter, along the sides P2.00 per meter, 4. What should be the diameter of a tin can open at the top holding 58 cu. in and requiring the least amount Find the area of the largest lot which can be thus fenced in for P400. of tin? A 3,000 sq. m. A. 5.28 in. B. 3,136.5 5q. m. B. 4. 28 in. C. 3,178.3 iqm. C. 3.28 in. D. 3,234.6 1q. m. D. 6.28 in. E. none of the above OA O A O B O B O c O c OD