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6. Calculate. Give your answers in simplest fraction form and show all calculations: a) 1. 15 -2 s xz (a

6. Calculate. Give your answers in simplest fraction form and show all calculations: a) 1. 15 -2 s xz (a

Mathematics For Machine Technology
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter1: Introduction To Common Fractions And Mixed Numbers
Section: Chapter Questions
Problem 2A: A welded support base is cut into four pieces as shown in Figure 14. What fractional part of the...
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6. Calculate. Give your answers in simplest fraction form and show all calculations: a) 1 1 -2 + (4) b) 2 x 5 (3) (3) 7. a) (금) b) (2) (2) (1) (p) (1) 8. Calculate the following without using your calculator: a) 92% of 180 (2) 9. Calculate the following: a) 390 increased by 15% b) 412 decreased by 20% (). (2) of the project, c) Suzy, Georgia and Bernadette do a project together. Suzy does 18 Georgia does of the project and Bernadette does of the project. 6 i) How much of the project still needs to be completed? ii) Who do you think should do the last section of the project? Give a reason for your answer. (1) 10. Write each of the following numbers as fractions in their simplest form. a) 0,2 (1) b) 0,85 (). 11. Fill in <, > or = a) 3,09 (1) b) 123,321 123,3 (1). 12. Round the following number off to one decimal place. 19,47 13.a) Mr Peters buys a radio for R206,50. The shop allows him to pay it off over six months. How must he pay back the money(monthly premiums)? b) Divide R44,45 between seven people so that each one receives the same amount. c) Four consecutive stages in a cycling race are 21,4 km; 14,7 km; 31 km and 18,6 km long. How long is the whole race?
Transcribed Image Text:6. Calculate. Give your answers in simplest fraction form and show all calculations: a) 1 1 -2 + (4) b) 2 x 5 (3) (3) 7. a) (금) b) (2) (2) (1) (p) (1) 8. Calculate the following without using your calculator: a) 92% of 180 (2) 9. Calculate the following: a) 390 increased by 15% b) 412 decreased by 20% (). (2) of the project, c) Suzy, Georgia and Bernadette do a project together. Suzy does 18 Georgia does of the project and Bernadette does of the project. 6 i) How much of the project still needs to be completed? ii) Who do you think should do the last section of the project? Give a reason for your answer. (1) 10. Write each of the following numbers as fractions in their simplest form. a) 0,2 (1) b) 0,85 (). 11. Fill in <, > or = a) 3,09 (1) b) 123,321 123,3 (1). 12. Round the following number off to one decimal place. 19,47 13.a) Mr Peters buys a radio for R206,50. The shop allows him to pay it off over six months. How must he pay back the money(monthly premiums)? b) Divide R44,45 between seven people so that each one receives the same amount. c) Four consecutive stages in a cycling race are 21,4 km; 14,7 km; 31 km and 18,6 km long. How long is the whole race?
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