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Question 1188765: 1. Abu compares package postpaid mobile plans between Remaja Hebat Plan and
Unlimited Plan. Remaja Hebat Plan charges RM0.05 per minutes plus a basic
monthly fee for RM 7.50. Unlimited Plan charges RM 0.075 per minute plus a basic
monthly fee of RM4.25.
a. Write the model for package postpaid mobile plans for Remaja Hebat Plan
and Unlimited Plan.
b. Identify the best mobile plan.
c. Sketch the graph for package postpaid mobile plans between Remaja Hebat
Plan and Unlimited Plan
2. Siti has RM450000 in her ASB. She wants to invest in Gading Mutual deposit, Maju
Makmur bar gold, Indah certificate deposit and Selamat Maju bar gold which pay
simple annual interest of 9%, 6%, 10% and 15%, respectively. Moreover, she wants
to combine annual return of 8% and want to have only one-third of investment in
Indah certificate deposit and Selamat Maju bar gold.
a. Write the linear model system equation for the whole investment.
c. Use elimination method to find each of the investment
3. Alia rows a boat upstream from one point on a river to another point 4 km away in 1.5 hours.
The return trip, traveling with the current, takes only 45 min.
a. Identify the variables involve in algebra.
b. Find the speed of the current flowing by using back-substitution method
Answer by ikleyn(52864)   (Show Source):
You can put this solution on YOUR website! .
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It is the RULE, the POLICY and the REQUIREMENT of this forum.
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