What was the total cost of the order to the nearest penny? - ProProfs Discuss
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What was the total cost of the order to the nearest penny?
The English department in a school required that all 140 pupils taking English in Year 11 had a copy of each book A to D Book Percent stock Cost per book A 44 3.95 B 80 4.75 C 133 7.95 D 30 5.99 A 10% discount was given for any book where 10 or more copies were ordered.

This question is part of test your numeracy skill
Asked by Muslimsardar, Last updated: Sep 10, 2018

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muslimsardar

Muslimsardar

Answered on Sep 10, 2018

£1246.44

140 44 = 96 Use the on-screen calculator to find the cost before discount 96 x 3.95 = 379.20 Then take off the 10% discount (37.92) Use the on-screen calculator to find the cost after discount 379.20 - 37.92 = 341.28 Follow the same procedure for Books B, C and D. Book B 140 80 = 60 60 x 4.75 = 285 10% discount is 28.50 285.00 - 28.50 = 256.50 Book C 140 133 = 7 7 x 7.95 = 55.65 (no discount as less than 10 copies ordered) Book D 140 30 = 110 110 x 5.99 = 658.90 You could work out this stage mentally by multiplying 110 by 6 (660) and subtracting 110 x 1p (1.10). 10% discount is 65.89 658.90 - 65.89 = 593.01 To find the total cost, add up the costs of the four titles. 341.28 + 256.50 + 55.65 + 593.01 = 1246.44
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