which expression could be used to solve the problem?

gem counted 54 wheels on 3 semitrucks. the same number of wheels were on each semitruck. how many wheels were on each semitruck?

a.

b.
54 • 3

c.
54 – 3

d.
3 + 54

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

Which expression is equivalent to 5a/4 - b/8 ?

The perimeter of △cde is 55 cm. a rhombus dmfn is inscribed in this triangle so that vertices m, f, and n lie on the sides cd , ce , and de respectively. find cd and de if cf=8 cm and ef=12 cm. the answer is not cd=20 and de=15. i have tried that one, it does not work.