Germ Worksheet /Understanding Ratios
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Germ Worksheet /Understanding Ratios

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This worksheet was sent to Hortykim by Ellen Morland from Foundation Studies at Otago Polytechnic

This worksheet was sent to Hortykim by Ellen Morland from Foundation Studies at Otago Polytechnic

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Germ Worksheet /Understanding Ratios Germ Worksheet /Understanding Ratios Document Transcript

  • Germ-away A virucidal and fungicidal cleaner for bath and wash rooms. Directions Ensure product is diluted correctly. Always use a clean container Always rinse cleaned area with clean water after use Dilution Deep cleaning and disfection 1 : 10 Shower areas and washrooms 1 : 25 Floors and surfaces 1 : 50 Sinks,toilets,drains,dustbins Use neat 1. What is the dilution rate for shower areas? ____ 2. What is the dilution rate for floors? ____ 3. What is the dilution rate for deep-cleaning? ____ 4. How many parts of water do you need per part of Germ-away for shower areas?_____ 5. You have measured 10ml of Germ-away. How much water will you need to use to clean a washroom? _________ 6. What does use neat mean? _________________________________________________ . Concrete is a mixture of gravel, sand and cement, usually in the ratio 3:2:1.If I had 9 portions of gravel how much sand and cement would I need? 9 : ___ : _____If I had 8 bags of cement how much gravel and sand would I need? ___ : ___ : 8