Marion bought 6 frog lures and 8 lizard fishing lures.
Let represent frog lures and represent lizard lures.
The total packages Marion bought is
If she bought frog lures in packages of 4 and lizard lures in packages of 6 for a total of 72 lures, then
We make the subject in equation 1 and put it into equation 2 to get;
We put equation 3 into equation 2 to get;
We expand the bracket to get;
We put into equation 3 to get;
Therefore Marion bought 6 frog lures and 8 lizard fishing lures.
the best buy, is the 4- kilogram bag of lollipops for $18.40.
i found my answer by dividing the cost of each bag by their respective weights.
14.88 divided by 2 = 7.44
17.29 divided by 3 = 5.77
18.4 divided by 4 = 4.6
24.4 divided by 5 = 4.88
by this, i found that the 4 kilo bag is the best buy.
double number line is not a standard concept, so it must have been defined in your textbook. assume top line is numerator.