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

1. 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