Danika bought a kit to build a scale model of a lighthouse. The scale of the model is 1 /2 inch = 4 feet. The real lighthouse is
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To solve this problem, set up and solve a system of equations. The variables b and m will represent a bread loaf and milk jug, respectively:
I would solve using substitution. Take one of the equations and set it equal to one of the variables, for example:
Now, plug this into the other equation for m and solve for b:
We now know that a loaf of bread costs $2.50. Plug this value in for b in the first equation and solve for m:
One jug of milk costs $1.50 and one loaf of bread costs $2.50.
I would solve using substitution. Take one of the equations and set it equal to one of the variables, for example:
Now, plug this into the other equation for m and solve for b:
We now know that a loaf of bread costs $2.50. Plug this value in for b in the first equation and solve for m:
One jug of milk costs $1.50 and one loaf of bread costs $2.50.
Divide $151.65 by $718.
Multiply this by 100 to get the percentage:
$151.65 is 21.12% of $718.
Multiply this by 100 to get the percentage:
$151.65 is 21.12% of $718.