MATH

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1. The cost in dollars of an "n" mile trip with the Supreme Taxi Service is given by 1.5 + 1.75n. The cost of an "n" mile trip using Town Taxi Service is given by 1.9 + 1.6n. For rides between 1 and 10 miles, which service would you choose? Explain.

2. Peach = 35 calories
Banana = 105 calories
Bacon Slice = 37 calories
Bread Slice = 65 calories
Egg = 75 calories

Use this information to write an expression for the number of calories in each situation.

a) "p" peaches and" n" bananas
b) two slices of bread, "b" slices of bacon, and one egg

3. A hot air balloon is at a height of 2,250 feet. It descends 150 feet each minute. Find it's height after six, eight, and ten minutes. Make a table to show the pattern of heights. Write an expression for the balloon's height at "m" minutes.

  • MATH (urgent) -

    1. So I assume it's adding 1.5 + 1.75 • n, right? For the first taxi can service? Then, the NEXT one charges 1.9 + 1.6 • n, correct? So far, all I have is that. I don't know what to multiply it by, because it says "between 1 and 10 miles." Would it be n = 5?

    2. I think these are the answers, but I'm not sure, so I need some help:

    a) p • n (or 35 • 105)
    b) 65 • 2 + b + 75

    Am I supposed to put the answer, too? It says "expression" so....

    3. This one just has me completely lost. Do I divide or subtract or...? I have not the slightest idea what the answers are, how to set up the expression, how to make the table, etc. This is why I need help urgently, PLEASE. I'll try, though...

    2,250 - 150 ÷ m

    2,250 - 150 ÷ 6 =
    2400 ÷ 6 = 400

    2,250 - 150 ÷ 8
    2400 ÷ 8 = 300

    2,250 - 150 ÷ 10
    2400 ÷ 10 = 240

    Is this correct, or is it 2,250 ÷ 150 - m? I'm so lost. :/

  • MATH -

    1. Use n = 10 and n = 1 for both taxi services and compare.

    2a. 35p + 105n

    b. 2*65 + 37b + 75

    3. Not dividing.

    2250 - 150m = ?

    Substitute minute values and solve.

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