3 years ago

How many grams of hydrocortisone are in a 120g of 4% ointment

1 answer:

8 0

To answer this, you can use a proportion.

We're trying to figure out what a portion of the 120g tube of ointment so that is our first side of the proportion: ?/120

We know that we can represent percentages as fractions by placing the percent over 100. So this is our second side of the proportion: 4/100

Our partially completed proportion is this: ?/120=4/100

Cross multiply 120 and 4: 120*4=480

Divide the product by 100: 480/100=4.8

So, there is 4.8g of hydrocortisone in the ointment.

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