Mathematics, 10.04.2020 17:51 Kimb9820
Anna bought 8 tetras and 2 rainbow fish for her aquarium. The rainbow fish cost $6 more than the tetras. She paid a total of $37.
Which of the following are true? Select all that apply.
A.
An equation to find the cost t, in dollars, of a tetra is 8 t + 2 t + 6 = 37.
B.
The cost of 4 tetras is the same as the cost of a rainbow fish.
C.
Reducing the number of rainbow fish by 1 would result in a total cost of $28.50.
D.
An equation to find the cost r, in dollars, of a rainbow fish is 8 r + 2 (r + 6) 37.
E.
One rainbow fish plus 5 tetras cost $21.
Answers: 1
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Anna bought 8 tetras and 2 rainbow fish for her aquarium. The rainbow fish cost $6 more than the tet...
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