Final answer:
To find the cost of ten calculators, we first calculate the price of one by dividing the total cost of four calculators ($30.00) by four. This gives us the unit price of $7.50. Multiplying the unit price by ten gives us the total cost of ten calculators, which is $75.00.
Step-by-step explanation:
To determine how much ten calculators would cost, we first need to find the cost of one calculator. Given that four calculators cost $30.00, we can divide this total cost by the number of calculators to find the unit price.
$30.00 ÷ 4 calculators = $7.50 per calculator
Now that we know the cost of one calculator, we can multiply this by ten to find the cost of ten calculators.
10 calculators × $7.50 = $75.00
So, ten calculators would cost $75.00.