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primary 6 | Maths | Data Analysis
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Ashley
Ashley

primary 6 chevron_right Maths chevron_right Data analysis chevron_right Singapore

Please help me. Thanks

Date Posted: 4 years ago
Views: 348
snell
Snell
4 years ago
each mth
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.
Ashley
Ashley
4 years ago
Thank you very much
AC Lim
AC Lim
4 years ago
Should we add the 50 brochures that throw away from each printer for b) ?

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B. Khool
B. Khool's answer
11 answers (A Helpful Person)
1st
You can be tricked by not adding those that have been thrown away
Ashley
Ashley
4 years ago
Thanks