College of Marin Study Guide for Math 95 A,B - Pearson Learning ...

45 Study Guide for Math 95A, B[2.4] 14. Multiply:7 • 2------------- 13 • 314-----397 2----- • --13 35[2.5] 15. Write an equivalent expression with the a denominator of 45 for -- .35--35--315• -----1575-----4518[2.5] 16. Simplify: -----[2.6] 17. Multiply and simplify:2410-----213• --418-----242 • 3 • 3------------------- 2 • 4 • 33--410 3----- • --21 42 • 5 3---------- • ---------- 3 • 7 2 • 25-----14[2.7] 18. Divide and simplify:8-----154 --58-----154 2 • 2 • 2 5 -- ------------------- • ---------- 5 3 • 5 2 • 22--3[2.7] 19. Solve:4-- • x 6055-- 4 4 5 -- • x55 4 • 15 -- [ 60]; x -- • ------------- 7544 12[2.7] 20. How many -- -cup sugar bowls can be filled from 16 cups of sugar?Let x the number of sugar bowls.[3.1] 21. Find the LCM of 24, 36, and 12.24 2 • 2 • 2 • 3; 36 2 • 2 • 3 • 3; 12 2 • 2 • 3; LCM 2 • 2 • 2 • 3 • 3 or 72[3.2] 22. Add and simplify:323 2 • 8-- • x 16; x -- • ---------- ; x 3 • 8 so x 24 sugar bowls.32 13-----203 --43-----203 --43 3 5 3 15 18 ----- -- • -- ----- ----- ----- 20 4 5 20 20 209-----10[3.2] 23. A student walked73-- mile alone, and then walked --64mile with a friend.How far did the student walk?Let x the number of miles the student walked.7 3 7 2 3 3 14 9 23x -- -- -- • -- -- • -- ---------------- ----- miles or 1 11 ----- miles.126 4 6 2 4 3 12 12