Question

Your mother gave you $15 to buy a present, which covered 35% of the cost. What was the total cost of the present?

a) $5
b) $10
c) $25
d) $45

Answer 1

To find the total cost of the present, set up a proportion with $15 as 35% and the total cost as 100%. Solving 15 / 0.35 = X yields approximately $42.86, and the closest answer option is $45.

Step-by-step explanation:

The question is asking to find the total cost of a present where $15 covered 35% of the cost. To find the total cost, we can set up a proportion where $15 is to 35% as the total cost (X) is to 100%. This can be represented by the equation 15 / 0.35 = X / 1.00.

To solve for X, you multiply both sides of the equation by 0.35, which gives us X = 15 / 0.35. Calculating this gives us X = 42.857, and when rounded properly or considering that monetary values in dollars often round to the nearest cent, we have X = $42.86. Since we are looking for the closest whole dollar amount that matches our answer options, the closest answer would be $45, which is option d).