Question: If 5 apples cost $10, how much do 8 apples cost?
Options:
$12
$15
$16
$14
Correct Answer: $16
Solution:
Cost of 1 apple = $10 / 5 = $2. Therefore, cost of 8 apples = 8 × $2 = $16.
If 5 apples cost $10, how much do 8 apples cost?
Practice Questions
Q1
If 5 apples cost $10, how much do 8 apples cost?
$12
$15
$16
$14
Questions & Step-by-Step Solutions
If 5 apples cost $10, how much do 8 apples cost?
Step 1: Find out how much 1 apple costs by dividing the total cost by the number of apples. So, $10 divided by 5 apples equals $2 per apple.
Step 2: Now that we know 1 apple costs $2, we need to find out how much 8 apples will cost. We do this by multiplying the cost of 1 apple by the number of apples we want. So, $2 times 8 apples equals $16.
Unit Cost Calculation – Understanding how to calculate the cost per unit and then apply it to find the total cost for a different quantity.
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