(5/9) / x = (245/6) / 1
245x/6 = 5/9
245x = 6(5/9) = 10/3
x = 10/735 = 2/147 or appr .0136
1 cm^3 weighs 2/147 kg
you are correct,
notice that since the original data was given in exact fractions, it might be a good idea to state the answer as a fraction
Q:
A metal cube weighs 5/9kg and its volume is 40 5/6cm3. How much does it weigh per 1cm3?
5/9kg to .555kg
40 5/6cm3 to 40.833cm3
.555kg / 40.833cm3 = .0135
A:
1cm3 weighs .0135kg
Is this correct?
Thank you.
4 answers
Thank you, Reiny.
I'm wondering with the way you did the problem, where did you get the number 245 from?
I'm wondering with the way you did the problem, where did you get the number 245 from?
40 5/6 = 240/6 + 5/6
= 245/6
review how to change a mixed fraction to a usable fraction.
= 245/6
review how to change a mixed fraction to a usable fraction.
I appreciate the help, Reiny. I will review about usable fractions.