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sveta [45]
3 years ago
5

You wish to mentally estimate the total cost of items that have the following prices: $1.85, $.98, $3.49, $9.78, and $6.18. Roun

ding off the items to the neares half dollar, your estimate of the total cost of these items is?
A. $23.00
B. $22.30
C. $22.50
D. $22.59
Mathematics
2 answers:
frozen [14]3 years ago
6 0

Answer: C. $22.50

Step-by-step explanation:

First round off the given prices to the neares half dollar

$1.85 ≈ $2

$.98 ≈ $1

$3.49 ≈ $3.50

$9.78 ≈ $10

$6.18 ≈ $6

Now, the estimate of the total cost of these items =\$2+\$1+\$3.50+\$10+\$6=\$22.50

Thus, he estimate of the total cost of these items is $22.50.

Hence, C is the right answer.

Tanzania [10]3 years ago
4 0

If you wish to<u> mentally estimate</u> the <u>total cost</u> of items, <u>rounding </u>off the items to the<u> nearest half dollar</u>, then you have to consider all five items separately.

Five items cost $1.85, $.98, $3.49, $9.78, and $6.18.

1. $1.85≈$2;

2. $0.98≈$1;

3. $3.49≈$3.50;

4. $9.78≈$10;

5. $6.18≈$6.

Then the total cost is

$2 + $1 + $3.50 + $10 + $6 =$22.50.

Answer: correct choice is C

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