A golf ball weighs about 45.9 grams. About how many ounces would a dozen golf balls weigh?
2 Answers
I've set up a conversion equation:
You can just say it out loud what you're trying to do and that will help you write out your ratios.
45.9 grams per 1 ball
1 ounce per 28.35 grams
We have 12 balls
so the weight of 12 balls is 19.43 ounces rounded to 2 decimal places
Explanation:
Using Matt B's conversion
1 ounce per 28.35 grams
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Given:
Expressing this as a ratio for 12 balls:
So for 12 balls we have
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
If 1 ounce is the same weight as 28.35 grams then again by using ratio:
I have not completed the division on the top yet as this will introduce rounding errors.
So
So
so the weight of 12 balls is 19.43 ounces rounded to 2 decimal places