How many milliliters of full-strength Sustacal are needed to prepare 240ml of half-strength sustacal?

The question is incomplete, the complete question is;

How many milliliters of full-strength Sustacal are needed to prepare 240 mL of half-strength Sustacal?

1. 120 mL

2. 240 mL

3. 360 mL

4. 480 mL

120 mL

Step-by-step explanation:

From the question, we can see that the full strength solution is supposed to contain 240 ml of Sustacal .

If that is so, we can get a half strength solution by using only 120 ml of full strength solution and making up the remaining volume with water. This solution now has half the strength of a 240 ml full strength solution.

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step-by-step explanation: