This math topic focuses on advanced rates and ratios, specifically working with equivalent ratios and the concept of shrinking recipes using non-integer multiples that involve decimals. The problems entail calculating necessary amounts of one component based on a fixed ratio with another, such as determining the amount of strawberry needed for a specific amount of chocolate using various non-integer ratio values. The skills practiced include understanding and applying ratios in practical scenarios and performing calculations involving decimals to find proportional relationships.
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This sauce needs 1 ml of mustard for every 21.375 ml of ketchup. How much mustard is needed if you have 9.5 ml of ketchup