Math Problem Statement
hC+10/0/01110 (a) The cash price of a mobile set is 10% lessthan the hire purchase price.instalments of M150.H.P=300+12(150)Calculate=M2100(i) the cash priceCash Price=H.P_1xH.P=M2100-10xM2100=M1890Answer (a)(i) M.1.8.9.O3 the rate of interest.=Interestx100%cash Price=M210/0x100%=11.1%Answer(a)(ii)11.1%3 A bus travellingat an average speed of 45 km/h left the bus stop at 8.15 am.A taxi left the bus stop at 9.00 am and overtook the bus at 10.45 am.How much time, in hours, did the taxi take before overtaking the bus.Time taken by:Answer(b)(i)1.75hours2 Find the average speed of the taxi./taxci =■=112.5km=64.3km/h64.3Answer (b)(ii)km/h[3]Distance covered is common for both bus ■ Taoci::Distance=Sxt=45km/x2.5h=112.5kmECoL 20200178/03/O/N/20[Turn over
Solution
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Math Problem Analysis
Mathematical Concepts
Percentage
Simple Interest
Speed and Distance
Rate of Interest
Formulas
Cash Price = Hire Purchase Price - (0.10 * Hire Purchase Price)
Interest Rate = (Interest / Cash Price) * 100
Distance = Speed * Time
Speed = Distance / Time
Theorems
Percentage Formula
Simple Interest Calculation
Distance-Speed-Time Relationship
Suitable Grade Level
Grades 9-10
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