Ask Question
3 December, 12:18

Define a variable and write an algebraic expression to model each situation:

1) what is the total cost of buying several shirts at $24.95 each?

2) the number of gal of water used to water trees is 30 times the number of trees.

3) what is the number of marbles left in a 48-marble bag after some marbles have been given away?

4) what is the cost of buying several pairs of pants at $32.95 per pain?

+2
Answers (1)
  1. 3 December, 12:42
    0
    It is suitable to start with a "let ... " statement defining the meaning of the variable (s) you use in the problem. Here, problems 1, 2, 4 have you multiply the variable by some constant representing a unit rate. In problem 3, you additionally have to perform some math to find an amount remaining.

    1) Let s represent the number of shirts purchased at 24.95 each. Then the total cost in dollars is ...

    ... 24.95s

    2) Let t represent the number of trees watered. Then the total number of gallons of water used is ...

    ... 30t

    3) Let q represent the quantity of marbles given away. Then the number remaining is ...

    ... 48 - q

    4) Let p represent the number of pairs of pants purchased at 32.95 each. Then the total cost in dollars is

    ... 32.95p
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Define a variable and write an algebraic expression to model each situation: 1) what is the total cost of buying several shirts at $24.95 ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers