Mathematics, 22.09.2020 14:01, skylar1315
1.2.43
Anna bought 8 tetras and 2 rainbow fish for her aquarium. The rainbow fish cost S6 more than the tetras. She paid a total of $37
Which of the following are true? Select all that apply.
DA One rainbow fish plus 5 tetras cost $21.
B. An equation to find the cost r, in dollars, of a rainbow fish is 8r + 2(r+ 6) = 37.
C. An equation to find the cost t in dollars, of a tetra is 8t + 2t + 6 = 37
D. Reducing the number of rainbow fish by 1 would result in a total cost of $28.50
E The cost of 4 tetras is the same as the cost of a rainbow fish
Answers: 3
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1.2.43
Anna bought 8 tetras and 2 rainbow fish for her aquarium. The rainbow fish cost S6 more than...
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