Vicky bought 3 1/2 pounds of oranges. Each pound costs $3.90. Which of the following equations represents the total cost, c, Vicky paid for the oranges and the amount of money she spent?
The total cost, c, that Vicky paid for the oranges can be found by multiplying the amount of oranges she bought (3 1/2 pounds) by the cost per pound ($3.90).
To find the total cost, we can use the equation:
c = (3 1/2) * $3.90
To multiply the whole number and the mixed number, we need to convert the mixed number to an improper fraction:
c = 7/2 * $3.90
Now, we can multiply the fractions:
c = (7 * $3.90) / 2
Simplifying the expression, we get:
c = $27.30 / 2
Therefore, the equation that represents the total cost and money spent is:
c = $27.30 / 2 or c = $13.65
To find the total cost, you can multiply the weight of the oranges by the cost per pound.
Given that Vicky bought 3 1/2 pounds of oranges, which can also be written as 7/2 pounds, and each pound costs $3.90, the equation that represents the total cost, c, Vicky paid for the oranges would be:
c = (7/2) * $3.90
Simplifying the equation, we get:
c = $27.30
Therefore, the equation that represents the total cost, c, Vicky paid for the oranges is:
c = $27.30
To find the total cost, you need to multiply the weight of the oranges by the cost per pound.
Let's break down the problem step by step:
1. Vicky bought 3 1/2 pounds of oranges. To calculate the total weight of oranges, we need to convert the mixed number (3 1/2) to an improper fraction:
3 1/2 = (2 * 3) + 1 = 7/2 pounds
2. Now, multiply the weight of the oranges (7/2 pounds) by the cost per pound ($3.90):
Total Cost = (7/2) * $3.90
To represent this scenario in an equation, we can write:
c = (7/2) * $3.90
Thus, the equation that represents the total cost, c, Vicky paid for the oranges is c = (7/2) * $3.90.