At the local pet store, zebra fish cost $1.80 each and neon tetras cost $2.10 each. If Ernesto bought 16 fish for a total cost o

Question

BARSIC [14]

3 years ago

12

At the local pet store, zebra fish cost $1.80 each and neon tetras cost $2.10 each. If Ernesto bought 16 fish for a total cost o

f $30.90, not including tax, how many of each type of fish did he buy? Help ASAP!!

Mathematics

1 answer:

madreJ [45] · Answer 1 · 2022-04-08T11:12:21+03:00

madreJ [45]3 years ago

3 0

<span>zebra fish a then tetras fish (11 – a)
2.2a + 1.85(11 – a) = 22.80
2.2a + 20.35 – 1.85a = 22.80
0.35a = 2.45
a = 7 zebra and 11 – 7 = 4 neon fish

</span>