MINDANAO MISSION ACADEMY Manticao, Misamis Oriental First Mid-term Exam BUSINESS MATH-Gold 12 Name: ___________________________________ Score:________________ “Blessed is the man who remains steadfast under trial, for when he has stood the test he will receive the crown of life, which God has promised to those who love him.” James 1: 10 STRICTLY NO USING OF CALCULATORS I. True or false: Write True if the statement is correct and False if the statement is wrong. ______1. A whole is always bigger than its parts. ______2. A fraction of something is always equal to a fraction of another something ______3. 8/5 > 7/6 ______4. 16/4 < 20/5 ______5. 2/3 = 4/7 ______6. 4 1/3 is a proper fraction ______7. A prime number is a whole number greater than 1 whose only factors are 1 and itself. ______8. To subtract similar fractions, we subtract the numerators and copy the denominators and reduced the fraction to lowest term, if needed. ______9. Rate is the part considered in its quantitative relation to the whole. ______10. When we convert fraction to decimal, we simply perform multiplication and then division. II. Multiple choice: choose the best answer on the choices below. If the answer is not found in the choices, write the correct answer on the space provided in letter e. 1) 3/5 ÷ 5/8 + [ 3/5 x 2/7] a. 3/8 b. 21/22 c. 15/40 d. 24/25 e. others_________ c. 1/14 d. 1 1/56 e. others_________ 3) [2/8 + 3/8 + 1/8] x [1 1/6 + 5/6 + 2 3/6] a. 3 7/8 b. 4 5/8 c. 3 3/8 d. 3 5/8 e. others_________ 4) [4/5 – 1/3] – [7/9 x 3/5] a. 3/7 b. 6 1/5 c. 2 2/5 d. 4 3/5 e. others_________ 5) [3 1/3 + 2/3 + 2 1/3] x 7/9 a. 3/5 b. 11 2/3 c. 3 1/5 D. 4 5/9 e. others_________ 2) 1/8 x 4/7 a. 4/56 b. 14/26 III. Change the following percent to fraction 1) 150% 4) 10% 2) 25% 5) 33 ½% 3) 77.5% IV. Change the following decimal to fraction. 1) 0.35 5) 1.75 2) 0.165 3) 12.33 4) 0245 “For it is God who works in you to will and to act in order to fulfill his good purpose.” Philippians 2:13 V. Problem Solving: solve the following with complete solution 1) A carpenter can finish a stool in 1¼ hours. If he works 8 hours a day, 5 days a week, how many stools can he finish in a week’s time? 2) Dr. Roland Lopez bought a dentist’s chair for 30,000. He paid 2/5 of this amount as down payment. His mother gave him ¼ of the down payment. How much did his mom give him? 3) To compute the gross profit, the formulpa is Gross Sales less Cost of Sales. A company’s gross sale for the month is 50,000. If 30% is the company’s gross profit, how much gross profit did the company get? 4) An item that originally sells for P25.00 now sells for P30.00. What is the percent of increase/ (decrease)? label the Percent, rate, 5) Success Corporation, a tractor manufacturing firm, manufactured a total of 60 tractors for the past year. If it sold 75% of its total production, how many tractors remains unsold? “For it is God who works in you to will and to act in order to fulfill his good purpose.” Philippians 2:13