c = 2d-19
2*28-19 = 39
One adults ticket to an amusement park costs d dollars. One child's ticket costs $19 less than twice the cost of an adults ticket. Write and simplify an expression for the cost of one child's ticket. If an adults ticket is $28, what is the cost of a child's ticket?
2 answers
2(28)-19
56-19
56+(-19)
37
56-19
56+(-19)
37