2 If sultana grapes cost R2,40 per kilogram, how much will 9 kg cost?

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter12: Quadratic Functions
Section12.8: Joint And Combined Variation
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1.2 If sultana grapes cost R2,40 per kilogram, how much will 9 kg cost?
1.3 Aggie has to cook a meal for 100 people. However, her recipe is only for 4 people, so she needs to adjust the quantity of the
ingredients.
Explain how Aggie could make sure that she has increased the quantities accurately.
1.4 A bottle of water costs R9,80. If the price increases by 15%, what will the new price of a bottle of water be?
Transcribed Image Text:1.2 If sultana grapes cost R2,40 per kilogram, how much will 9 kg cost? 1.3 Aggie has to cook a meal for 100 people. However, her recipe is only for 4 people, so she needs to adjust the quantity of the ingredients. Explain how Aggie could make sure that she has increased the quantities accurately. 1.4 A bottle of water costs R9,80. If the price increases by 15%, what will the new price of a bottle of water be?
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