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 equation that represents the total cost, c, Vicky paid for the oranges is:
c = 3.9 * 3.5
The equation that represents the total cost, c, Vicky paid for the oranges can be found by multiplying the number of pounds of oranges by the cost per pound:
c = (3 1/2) * $3.90
To find the total cost, we need to multiply the number of pounds by the cost per pound. So, the equation for the total cost, c, would be:
c = (3 1/2) * $3.90
First, we need to convert the mixed number 3 1/2 to an improper fraction.
To do this, we multiply the whole number (3) by the denominator of the fraction (2), which gives us 6. Then, we add the numerator (1) to get 7.
So, 3 1/2 is equal to 7/2.
Now we can substitute this value into the equation:
c = (7/2) * $3.90
Finally, we can simplify the equation:
c = (7/2) * $3.90 = $27.30
Therefore, the equation that represents the total cost, c, Vicky paid for the oranges is c = $27.30.