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Question
primary 6 | Maths
| Data Analysis
One Answer Below
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E: u-50
D: u+310
difference = 360
difference betw. D & E
= 8450 - 3770 = 4680
no. of months = 4680/360 = 13
(b)
13 x (u-50) = 3770
u = 340
each mth
D prints 700 (incl. bad ones)
E prints 340 (incl. bad ones)
total = 1040
total cost = $2080
*edited
AC Lim is correct.
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