Algebra by Marco Abate

By Marco Abate

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The entire parcel of land contains 41,680 square feet. How many square feet of land are paved? RESTAURANT 5,250 SQ FT PHARMACY 2,450 SQ FT DEPARTMENT STORE 11,875 SQ FT LANDSCAPED AREA 2,800 SQ FT LANDSCAPED AREA 3,050 SQ FT Figure 1–6 1–8 Multiplication of Whole Numbers A mason estimates the number of bricks required for a chimney. A clerk in a hardware store computes the cost of a customer’s order. A secretary determines the weekly payroll of a firm. A cabinetmaker calculates the amount of plywood needed to install a store counter.

First Day Second Day Third Day Sales Sales Sales Type of Television Set $7,440 $8,680 $11,160 Color Portable $17,360 $16,120 $18,600 Color Console $13,640 $12,400 $14,880 Black and White Portable Figure 2–8 6. An auto technician checked the tread depth of a tire. The depth was 12 64 in. What is this depth in lowest terms? 2–10 Addition of Common Fractions A welder determines material requirements for a certain job by adding steel plate lengths of 821 inches, 341 inches, and 10163 inches. In finding the costs for a garment, a garment designer adds 43 yard and 187 yards of woolen cloth.

775 ϫ 5 9. 8 ϫ 318,234 3. 1,877 ϫ 9 4. 54,157 ϫ 8 7,816 ϫ 513 15. 15,553 ϫ 999 8. 4 ϫ 456,900 10. 9 ϫ 2,132,512 16. 11. 57 ϫ81 23,418 ϫ 1,147 17. 12. 914 ϫ 67 327,800 ϫ 274 18. 13. 12,737 ϫ 79 405,607 ϫ 112 5. 6 ϫ 523 6. 3 ϫ 1,804 14. UNIT 1 19. 419 ϫ 7,635 22. 1,176 ϫ 62,347 15 943 ϫ 70 27. 25. 1,798 ϫ 507 28. 6 ϫ 8 ϫ 15 26. 7,100 ϫ 590 30. 63 ϫ 150 ϫ 15 ϫ 8 23. 4,214 ϫ 18,919 1–9 Whole Numbers 24. 20. 423 ϫ 63,940 21. 2,561 ϫ 17,738 • 8,009 ϫ 400 29. 12 ϫ 16 ϫ 7 Division of Whole Numbers Division is used in all occupations.

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