, 2 parts washing soda, and 1 part grated bar soap. Lenny wants to make 4 cups of laundry soap. How much of each ingredient does he need?
To determine how much of each ingredient Lenny needs, we first need to determine the total number of parts required for the recipe. The recipe calls for 2 parts borax, 2 parts washing soda, and 1 part grated soap, totaling 5 parts.
Next, we calculate how much of each ingredient Lenny needs by dividing the total number of parts required by the number of parts in the recipe:
- Borax: 2 parts / 5 parts = 0.4 parts per cup of soap
- Washing soda: 2 parts / 5 parts = 0.4 parts per cup of soap
- Grated bar soap: 1 part / 5 parts = 0.2 parts per cup of soap
Finally, we multiply the parts per cup by the desired quantity of laundry soap, which is 4 cups:
- Borax: 0.4 parts per cup * 4 cups = 1.6 cups of borax
- Washing soda: 0.4 parts per cup * 4 cups = 1.6 cups of washing soda
- Grated bar soap: 0.2 parts per cup * 4 cups = 0.8 cups of grated bar soap
Therefore, Lenny needs 1.6 cups of borax, 1.6 cups of washing soda, and 0.8 cups of grated bar soap to make 4 cups of laundry soap.
Lenny is making his own laundry soap the recipe calls for 2 parts borax
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