Math Word Problems Worksheet Page 6
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11(c)
Give a reason why Angela might choose
(i)
Option A
(ii)
Option B
(2)
To help Angela, her employer agrees to give her an interest free loan of $4000 to buy the car.
The employer is to recover the money by making the following deductions from Angela’s
salary:
$x in the first month,
$y every subsequent month.
The total deductions after 20 months is $1540 and after 30 months it is $2140.
(d)
Find x and y.
(4)
(e)
How many months will it take for Angela to completely pay off the $4000 loan?
(2)
(Total 15 marks)
11.
Financial accuracy penalty (FP) is applicable in parts (a) and (b).
120 – 3 = 117
(a)
117 1.37
(A1)
FP
= 160.29 euros (correct answer only)
(M1)
Note: First (A1) for 117 seen, (M1) for multiplying by 1.37 (A1)(G2)
3
13
5 .
(b)
(A1)(M1)
3
. 1
37
FP
9.85 GBP (answer correct to 2dp only)
(A1)(ft)(G3)
Note: First (A1) is for 13.5 seen, (M1) for dividing by 1.37
[6]
IB Questionbank Mathematical Studies 3rd edition
6
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