Math Builder by Jessica Sobanski

By Jessica Sobanski

This consultant offers perform moreover, subtraction, fractions, decimals, probabilities, simple geometry and effortless algebra.

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A. 0 b. 10 c. 12 d. 15 439. 75 to view a double feature. 75. Which of the following expressions can be used to calculate the amount collected from 75 non-students and 30 students? a. 75) b. 75) c. 75) d. 75 54 x mi A a. b. c. d. y mi B C (x ϩ y) ϫ 2 2x ϩ 2y xy Ϭ 2 (x ϩ y) Ϭ 2 442. If 4x ϩ 8y ϩ 2x Ϫ 2y ϭ 48, what is the value of x ϩ y? a. 6 b. 8 c. 12 d. 14 SECTION 5 • LearningExpress Skill Builders S • E • C • T • I • O • N GEOMETRY 6 The final eight sets in this book all pertain to geometry and measurement.

326. A scanner that sells for $448 is on sale for 15% off. Which expression represents the new price of the scanner? a. 448 Ϫ 15 b. 15(448) c. 15(448) d. 5(448) Year a. b. c. d. 323. Malone Co. 45 per share for April. In May, the stocks averaged 14% higher. Which expression represents the average value of stocks for May? a. 45) b. 45) c. 45) d. Both b and c are correct. 3% 50% 150% 300% 40 SECTION 4 • LearningExpress Skill Builders –PERCENTS– 327. Use the formula I = PRT to answer the following question.

A. 8% b. 80% c. 92% d. 94% 336. Doug makes a 12% commission on every vacuum he sells. If he sold $4,000 worth of vacuums over the course of three months, what was his commission on these sales? a. $4,480 b. $3,520 c. $800 d. $480 LearningExpress Skill Builders • SECTION 4 41 –MATH BUILDER– 337. Erika’s dental bill was $540. So far, she has paid 30%. How much does she still owe? a. $162 b. $378 c. 80 d. 20 338. Joyce withdrew 15% of her available funds. If she now has $12,070 available in her account, how much did she have initially?

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