I suggest if you have any look back at your notes like I do.
From my research the given equations are:
30x + 30y = 450
<span>20x + 25y = 345
</span>
The problem asks to solve for the number of square feet Paul has shoveled more than Melinda. This can be solved by using the system of equations to solve for the values of x and y (the respective values of how each they have shoveled each).
Using the system of equations, the following values were obtained:
x = 6
y = 9
Therefore, Paul has shoveled 3 square feet per minute more than Melinda.
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Answer:
4+3 squared 3 equals 9.19 and 4-3 squared 3 equals -1.19
Step-by-step explanation:
21.6 miles per gallon
Multiplied by 6.2 gallons
21.6 * 6.2 = 133.92
Cheryl can travel 133.92 (or about 134) miles on 6.2 gal. of gas.
Hope that helped!
