really?
If one drink costs $1.00, how much do 4 drinks cost?
Same thing here. Just multiply.
Or, if you know about units, consider that
lbs/gal * gal = lbs
If 1 gallon water weighs 8.34 lbs., how much does 3.5 gallon weigh?
2 answers
Wt. = 8.34Lbs/gal * 3.5gal. =
21 answers