A baseball coach bought 4 bats and 7 balls for $68. The next day the coach bought 1 bat and 1 ball for $14. The following system of equations can be used to determine how much each item cost.

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step-by-step explanation:

1/2*qr*rs

step-by-step explanation:

choose (5, 1.5) and (-1.5,-3.5)

step-by-step explanation:

5 - 1.5 =3.5

-1.5 - (-3.5) = 2

3.5 + 2 =5.5

hope this !

so mark-up is 0.4 multiplied by 180 = 72