Let's estimate the total cost of the given items by rounding each price to the nearest half-dollar:
1. For [tex]$1.85: When rounding to the nearest half-dollar, we get $[/tex]2.00.
2. For [tex]$0.98: When rounding to the nearest half-dollar, we get $[/tex]1.00.
3. For [tex]$3.49: When rounding to the nearest half-dollar, we get $[/tex]3.50.
4. For [tex]$9.78: When rounding to the nearest half-dollar, we get $[/tex]10.00.
5. For [tex]$6.18: When rounding to the nearest half-dollar, we get $[/tex]6.00.
Now, let's add these rounded values together to determine the approximate total cost:
[tex]\[ 2.00 + 1.00 + 3.50 + 10.00 + 6.00 = 22.50 \][/tex]
Given the options:
A. \[tex]$22.30
B. \$[/tex]22.50
C. \[tex]$22.59
D. \$[/tex]23.00
The best estimate for the total cost is \[tex]$22.50, so the correct choice is:
B. \$[/tex]22.50
