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faltersainse [42]
3 years ago
8

suppose a band at another school sells eraser for $2 per package. the band sells 220 package in all and earns a total of $695. w

rite a system of equation to find the number of each type of package sold.
Mathematics
1 answer:
mr_godi [17]3 years ago
6 0
X= # of eraser packages = 135 
y= # of pencil packages = 85 

cost = 2x + 5y = 695
# of items = x+y= 220
                                                             2x+5y=695 
                                                            -2x -2y=-440
                                                              3y             255
                                                             -----     =     -------       y=85             x+(85) / 220
                                                                3                3                                       -----    -----
                                                                                                                            -85     -85
                                                                        
                                                                                                                               x=135 
2(135) + 5 (85) ?695
270+425?695
695+695
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