The volume of a rectangular box is length multiplied by breadth multiplied by height. The volumes are 385 cubic cm, 693 cubic cm and 1001 cubic cm respectively. The linear pattern representing the volume is 77h.
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The area of a rectangle is length multiplied by breadth. For breadths 12 cm, 10 cm and 8 cm, the areas are 156 square cm, 130 square cm and 104 square cm respectively. The linear pattern is 13b.
The rally begins with 120 members. Every hour, 9 members leave the group. Therefore, after n hours, the number of remaining members is represented by the expression 120 minus 9n. This shows a linear decay pattern.
The student already has 500 rupees in her account. Every month, 150 rupees are added. Therefore, after n months, the total amount becomes 500 plus 150n rupees. This expression represents a linear pattern.
The fare for the first 2 km is 25 rupees. After that, the fare increases by 15 rupees per km. For 10 km, the extra distance is 8 km. Therefore, the total fare is 145 rupees.