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Elena has bought 320 tropical fish for a museum display. She bought 7 times as many triggerfish as parrotfish?

triggerfish
school kid asked:

2. Elena has bought 320 tropical fish for a museum display. She bought 7 times as many triggerfish as parrotfish. How many of each type of fish did she buy?

3. Anita and Joelle bowl together, and their combined total scores for one game was 425 points. Anita’s score was 40 less than twice Joelle’s. What were their scores? Write a system of equations to model the problem if x represents Joelle’s score, and y represents Anita’s score.

4. Anita and Joelle bowl together, and their combined total scores for one game was 425 points. Anita’s score was 40 less than twice Joelle’s. What were their scores?

5. In a single weekend, 840 people visited a local zoo. The number of people who visited on Saturday was 30 more than twice the number of people who visited the zoo on Sunday. How many visitors did the zoo have on each day?

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2 Comments

  1. Gshock says:

    this is not a zoology question, this is a mathematics question. Do your own homework loser

  2. Kat grl says:

    2) 7 + 1 = 8, 8/320 = 40
    so 7 *40 = 280 triggerfisf
    and 1 * 40 = 40 parrotfish

    3)x = ant
    y = 2x -40

    4) let x = antias score
    so 2x – 40 = joelles score
    x + (2x – 40) = 425
    3x – 40 = 425
    3x = 465
    x = 155
    antia = 155
    joellle = 270

    5) let x be sunday
    so saturday = 2x + 30
    x + 2x + 30 = 840
    you can solve

    have a good day

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