9514 1404 393
Answer:
Step-by-step explanation:
The equation for the total number of cases is ...
x + y = 20
The equation for the total cost of the cases is ...
20x +30y = 450
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<em>Additional comment</em>
The solution to these equations is (x, y) = (15, 5).
Answer:
1/8 Hour(s) longer
Step-by-step explanation:
5/8-1/2= 1/8
The answer is positive 125
a=1
b=3
a^3*b^2-2a=1^3 * 3^2 -2*1 = 1*9 -2 = 9-2= 7
