SOLUTION: Timmy bought a skateboard and
two helmets for total of D dollars.
If each helmet cost H dollars,
the cost of the skateboard could
be represented by..
A. 2DH
Algebra.Com
Question 1025758: Timmy bought a skateboard and
two helmets for total of D dollars.
If each helmet cost H dollars,
the cost of the skateboard could
be represented by..
A. 2DH
C. D-2H
B. DH/2
D. D-H/2
Answer by Theo(13342) (Show Source): You can put this solution on YOUR website!
let S equal the cost of the skateboard.
they didn't give you this variable, so select it yourself.
you could use any variable name, but S is pretty good since it's the first letter of skateboard and it's not being used anywhere else in the equation.
you are given that H equal the cost of one helmet.
this means that the cost of two helmets is equal to 2H.
you are given that the total cost equals D.
your equation is S + 2H = D
this means thsat the cost of one skateboard and two helmets is equal to D dollars.
subtract 2H from both sides of the equation to get:
S = D - 2H
since S = cost of the skateboard, then that's your answer.
the cost of the skateboard is represented by D - 2H.
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