document.write( "Question 1188765: 1. Abu compares package postpaid mobile plans between Remaja Hebat Plan and
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document.write( "Unlimited Plan. Remaja Hebat Plan charges RM0.05 per minutes plus a basic
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document.write( "monthly fee for RM 7.50. Unlimited Plan charges RM 0.075 per minute plus a basic
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document.write( "monthly fee of RM4.25.
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document.write( "a. Write the model for package postpaid mobile plans for Remaja Hebat Plan
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document.write( "and Unlimited Plan.
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document.write( "b. Identify the best mobile plan.
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document.write( "c. Sketch the graph for package postpaid mobile plans between Remaja Hebat
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document.write( "Plan and Unlimited Plan\r
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document.write( "2. Siti has RM450000 in her ASB. She wants to invest in Gading Mutual deposit, Maju
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document.write( "Makmur bar gold, Indah certificate deposit and Selamat Maju bar gold which pay
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document.write( "simple annual interest of 9%, 6%, 10% and 15%, respectively. Moreover, she wants
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document.write( "to combine annual return of 8% and want to have only one-third of investment in
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document.write( "Indah certificate deposit and Selamat Maju bar gold.
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document.write( "a. Write the linear model system equation for the whole investment.
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document.write( "c. Use elimination method to find each of the investment\r
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document.write( "3. Alia rows a boat upstream from one point on a river to another point 4 km away in 1.5 hours.
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document.write( "The return trip, traveling with the current, takes only 45 min.
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document.write( "a. Identify the variables involve in algebra.
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document.write( "b. Find the speed of the current flowing by using back-substitution method \n" );
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